7.8
HIGH
CVE-2022-26531
Zyxel CLI Command Buffer Overflow/Crash Vulnerability
Description

Multiple improper input validation flaws were identified in some CLI commands of Zyxel USG/ZyWALL series firmware versions 4.09 through 4.71, USG FLEX series firmware versions 4.50 through 5.21, ATP series firmware versions 4.32 through 5.21, VPN series firmware versions 4.30 through 5.21, NSG series firmware versions 1.00 through 1.33 Patch 4, NXC2500 firmware version 6.10(AAIG.3) and earlier versions, NAP203 firmware version 6.25(ABFA.7) and earlier versions, NWA50AX firmware version 6.25(ABYW.5) and earlier versions, WAC500 firmware version 6.30(ABVS.2) and earlier versions, and WAX510D firmware version 6.30(ABTF.2) and earlier versions, that could allow a local authenticated attacker to cause a buffer overflow or a system crash via a crafted payload.

INFO

Published Date :

May 24, 2022, 6:15 a.m.

Last Modified :

Feb. 9, 2024, 6:15 p.m.

Source :

[email protected]

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

1.8
Public PoC/Exploit Available at Github

CVE-2022-26531 has a 3 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2022-26531 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Zyxel usg210_firmware
2 Zyxel usg310_firmware
3 Zyxel usg2200_firmware
4 Zyxel usg_20w_firmware
5 Zyxel usg_40_firmware
6 Zyxel usg_40w_firmware
7 Zyxel usg_60_firmware
8 Zyxel usg_60w_firmware
9 Zyxel usg_110_firmware
10 Zyxel usg_2200-vpn_firmware
11 Zyxel usg_310_firmware
12 Zyxel usg_1100_firmware
13 Zyxel usg_1900_firmware
14 Zyxel usg_20w-vpn_firmware
15 Zyxel usg_flex_100_firmware
16 Zyxel usg_flex_100w_firmware
17 Zyxel usg_flex_200_firmware
18 Zyxel usg_flex_500_firmware
19 Zyxel usg_flex_700_firmware
20 Zyxel nxc2500_firmware
21 Zyxel nxc5500_firmware
22 Zyxel vpn100_firmware
23 Zyxel vpn1000_firmware
24 Zyxel vpn300_firmware
25 Zyxel vpn50_firmware
26 Zyxel atp100_firmware
27 Zyxel atp100w_firmware
28 Zyxel atp200_firmware
29 Zyxel atp500_firmware
30 Zyxel atp700_firmware
31 Zyxel atp800_firmware
32 Zyxel nap203_firmware
33 Zyxel nap303_firmware
34 Zyxel nap353_firmware
35 Zyxel nwa110ax_firmware
36 Zyxel nwa1123-ac-pro_firmware
37 Zyxel nwa1123acv3_firmware
38 Zyxel nwa210ax_firmware
39 Zyxel nwa50ax_firmware
40 Zyxel nwa55axe_firmware
41 Zyxel nwa90ax_firmware
42 Zyxel wac500_firmware
43 Zyxel wac500h_firmware
44 Zyxel wac5302d-sv2_firmware
45 Zyxel wac6103d-i_firmware
46 Zyxel wac6303d-s_firmware
47 Zyxel wac6502d-e_firmware
48 Zyxel wac6502d-s_firmware
49 Zyxel wac6503d-s_firmware
50 Zyxel wac6552d-s_firmware
51 Zyxel wax510d_firmware
52 Zyxel wax610d_firmware
53 Zyxel wax630s_firmware
54 Zyxel wax650s_firmware
55 Zyxel usg300_firmware
56 Zyxel usg20_firmware
57 Zyxel usg200_firmware
58 Zyxel nsg300_firmware
59 Zyxel nsg100_firmware
60 Zyxel nsg50_firmware
61 Zyxel nwa1123-ac-hd_firmware
62 Zyxel nwa1302-ac_firmware
63 Zyxel nwa5123-ac-hd_firmware
64 Zyxel wac5302d-s_firmware
65 Zyxel wac6553d-s_firmware
: Total Affected Vendor : 1 | Products : 65
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2022-26531.

URL Resource
http://packetstormsecurity.com/files/167464/Zyxel-Buffer-Overflow-Format-String-Command-Injection.html
http://packetstormsecurity.com/files/177036/Zyxel-zysh-Format-String-Proof-Of-Concept.html
http://seclists.org/fulldisclosure/2022/Jun/15
https://www.zyxel.com/support/multiple-vulnerabilities-of-firewalls-AP-controllers-and-APs.shtml Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
hnsecurity/vulns

HN Security's advisories.

Updated: 1 month ago
20 stars 1 fork 1 watcher
Born at : Feb. 21, 2022, 1:25 p.m. This repo has been linked 33 different CVEs too.
Profile Photo
0xdea/advisories

A collection of my public security advisories.

vulnerability advisory cve

Updated: 1 month ago
22 stars 3 fork 3 watcher
Born at : Sept. 25, 2019, 8:51 a.m. This repo has been linked 45 different CVEs too.
Profile Photo
0xdea/exploits

A handy collection of my public exploits, all in one place.

exploits buffer-overflow solaris linux aix mysql openbsd oracle zyxel

C Shell C++ Perl

Updated: 2 weeks, 3 days ago
581 stars 105 fork 105 watcher
Born at : July 12, 2017, 2:40 p.m. This repo has been linked 28 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2022-26531 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2022-26531 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Feb. 09, 2024

    Action Type Old Value New Value
    Added Reference Zyxel Corporation http://packetstormsecurity.com/files/177036/Zyxel-zysh-Format-String-Proof-Of-Concept.html [No types assigned]
  • CVE Modified by [email protected]

    Jun. 19, 2022

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/167464/Zyxel-Buffer-Overflow-Format-String-Command-Injection.html [No Types Assigned]
  • CVE Modified by [email protected]

    Jun. 11, 2022

    Action Type Old Value New Value
    Added Reference http://seclists.org/fulldisclosure/2022/Jun/15 [No Types Assigned]
  • Initial Analysis by [email protected]

    Jun. 06, 2022

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://www.zyxel.com/support/multiple-vulnerabilities-of-firewalls-AP-controllers-and-APs.shtml No Types Assigned https://www.zyxel.com/support/multiple-vulnerabilities-of-firewalls-AP-controllers-and-APs.shtml Vendor Advisory
    Added CWE NIST CWE-20
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:vpn100_firmware:*:*:*:*:*:*:*:* versions from (including) 4.30 up to (including) 5.21 OR cpe:2.3:h:zyxel:vpn100:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:vpn1000_firmware:*:*:*:*:*:*:*:* versions from (including) 4.30 up to (including) 5.21 OR cpe:2.3:h:zyxel:vpn1000:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:vpn300_firmware:*:*:*:*:*:*:*:* versions from (including) 4.30 up to (including) 5.21 OR cpe:2.3:h:zyxel:vpn300:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:vpn50_firmware:*:*:*:*:*:*:*:* versions from (including) 4.30 up to (including) 5.21 OR cpe:2.3:h:zyxel:vpn50:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:atp100_firmware:*:*:*:*:*:*:*:* versions from (including) 4.32 up to (including) 5.21 OR cpe:2.3:h:zyxel:atp100:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:atp100w_firmware:*:*:*:*:*:*:*:* versions from (including) 4.32 up to (including) 5.21 OR cpe:2.3:h:zyxel:atp100w:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:atp200_firmware:*:*:*:*:*:*:*:* versions from (including) 4.32 up to (including) 5.21 OR cpe:2.3:h:zyxel:atp200:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:atp500_firmware:*:*:*:*:*:*:*:* versions from (including) 4.32 up to (including) 5.21 OR cpe:2.3:h:zyxel:atp500:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:atp700_firmware:*:*:*:*:*:*:*:* versions from (including) 4.32 up to (including) 5.21 OR cpe:2.3:h:zyxel:atp700:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:atp800_firmware:*:*:*:*:*:*:*:* versions from (including) 4.32 up to (including) 5.21 OR cpe:2.3:h:zyxel:atp800:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg_110_firmware:*:*:*:*:*:*:*:* versions from (including) 4.09 up to (including) 4.71 OR cpe:2.3:h:zyxel:usg_110:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg_1100_firmware:*:*:*:*:*:*:*:* versions from (including) 4.09 up to (including) 4.71 OR cpe:2.3:h:zyxel:usg_1100:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg_1900_firmware:*:*:*:*:*:*:*:* versions from (including) 4.09 up to (including) 4.71 OR cpe:2.3:h:zyxel:usg_1900:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg_20w_firmware:*:*:*:*:*:*:*:* versions from (including) 4.09 up to (including) 4.71 OR cpe:2.3:h:zyxel:usg_20w:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg_20w-vpn_firmware:*:*:*:*:*:*:*:* versions from (including) 4.09 up to (including) 4.71 OR cpe:2.3:h:zyxel:usg_20w-vpn:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg_2200-vpn_firmware:*:*:*:*:*:*:*:* versions from (including) 4.09 up to (including) 4.71 OR cpe:2.3:h:zyxel:usg_2200-vpn:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg_310_firmware:*:*:*:*:*:*:*:* versions from (including) 4.09 up to (including) 4.71 OR cpe:2.3:h:zyxel:usg_310:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg_40_firmware:*:*:*:*:*:*:*:* versions from (including) 4.09 up to (including) 4.71 OR cpe:2.3:h:zyxel:usg_40:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg_40w_firmware:*:*:*:*:*:*:*:* versions from (including) 4.09 up to (including) 4.71 OR cpe:2.3:h:zyxel:usg_40w:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg_60_firmware:*:*:*:*:*:*:*:* versions from (including) 4.09 up to (including) 4.71 OR cpe:2.3:h:zyxel:usg_60:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg_60w_firmware:*:*:*:*:*:*:*:* versions from (including) 4.09 up to (including) 4.71 OR cpe:2.3:h:zyxel:usg_60w:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg_flex_100_firmware:*:*:*:*:*:*:*:* versions from (including) 4.50 up to (including) 5.21 OR cpe:2.3:h:zyxel:usg_flex_100:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg_flex_100w_firmware:*:*:*:*:*:*:*:* versions from (including) 4.50 up to (including) 5.21 OR cpe:2.3:h:zyxel:usg_flex_100w:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg_flex_200_firmware:*:*:*:*:*:*:*:* versions from (including) 4.50 up to (including) 5.21 OR cpe:2.3:h:zyxel:usg_flex_200:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg_flex_500_firmware:*:*:*:*:*:*:*:* versions from (including) 4.50 up to (including) 5.21 OR cpe:2.3:h:zyxel:usg_flex_500:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg_flex_700_firmware:*:*:*:*:*:*:*:* versions from (including) 4.50 up to (including) 5.21 OR cpe:2.3:h:zyxel:usg_flex_700:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg200_firmware:*:*:*:*:*:*:*:* versions from (including) 4.09 up to (including) 4.71 OR cpe:2.3:h:zyxel:usg200:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg20_firmware:*:*:*:*:*:*:*:* versions from (including) 4.09 up to (including) 4.71 OR cpe:2.3:h:zyxel:usg20:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg210_firmware:*:*:*:*:*:*:*:* versions from (including) 4.09 up to (including) 4.71 OR cpe:2.3:h:zyxel:usg210:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg2200_firmware:*:*:*:*:*:*:*:* versions from (including) 4.09 up to (including) 4.71 OR cpe:2.3:h:zyxel:usg2200:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg300_firmware:*:*:*:*:*:*:*:* versions from (including) 4.09 up to (including) 4.71 OR cpe:2.3:h:zyxel:usg300:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg310_firmware:*:*:*:*:*:*:*:* versions from (including) 4.09 up to (including) 4.71 OR cpe:2.3:h:zyxel:usg310:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:nsg300_firmware:*:*:*:*:*:*:*:* versions from (including) 1.00 up to (excluding) 1.33 *cpe:2.3:o:zyxel:nsg300_firmware:1.33:-:*:*:*:*:*:* *cpe:2.3:o:zyxel:nsg300_firmware:1.33:patch1:*:*:*:*:*:* *cpe:2.3:o:zyxel:nsg300_firmware:1.33:patch2:*:*:*:*:*:* *cpe:2.3:o:zyxel:nsg300_firmware:1.33:patch3:*:*:*:*:*:* *cpe:2.3:o:zyxel:nsg300_firmware:1.33:patch4:*:*:*:*:*:* OR cpe:2.3:h:zyxel:nsg300:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:nsg100_firmware:*:*:*:*:*:*:*:* versions from (including) 1.00 up to (excluding) 1.33 *cpe:2.3:o:zyxel:nsg100_firmware:1.33:-:*:*:*:*:*:* *cpe:2.3:o:zyxel:nsg100_firmware:1.33:patch1:*:*:*:*:*:* *cpe:2.3:o:zyxel:nsg100_firmware:1.33:patch2:*:*:*:*:*:* *cpe:2.3:o:zyxel:nsg100_firmware:1.33:patch3:*:*:*:*:*:* *cpe:2.3:o:zyxel:nsg100_firmware:1.33:patch4:*:*:*:*:*:* OR cpe:2.3:h:zyxel:nsg100:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:nsg50_firmware:*:*:*:*:*:*:*:* versions from (including) 1.00 up to (excluding) 1.33 *cpe:2.3:o:zyxel:nsg50_firmware:1.33:-:*:*:*:*:*:* *cpe:2.3:o:zyxel:nsg50_firmware:1.33:patch1:*:*:*:*:*:* *cpe:2.3:o:zyxel:nsg50_firmware:1.33:patch2:*:*:*:*:*:* *cpe:2.3:o:zyxel:nsg50_firmware:1.33:patch3:*:*:*:*:*:* *cpe:2.3:o:zyxel:nsg50_firmware:1.33:patch4:*:*:*:*:*:* OR cpe:2.3:h:zyxel:nsg50:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:nxc2500_firmware:*:*:*:*:*:*:*:* versions up to (including) 6.10\(aaig.3\) OR cpe:2.3:h:zyxel:nxc2500:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:nxc5500_firmware:*:*:*:*:*:*:*:* versions up to (including) 6.10\(aaos.3\) OR cpe:2.3:h:zyxel:nxc5500:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:nap203_firmware:*:*:*:*:*:*:*:* versions up to (including) 6.25\(abfa.7\) OR cpe:2.3:h:zyxel:nap203:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:nap303_firmware:*:*:*:*:*:*:*:* versions up to (including) 6.25\(abex.7\) OR cpe:2.3:h:zyxel:nap303:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:nap353_firmware:*:*:*:*:*:*:*:* versions up to (including) 6.25\(abey.7\) OR cpe:2.3:h:zyxel:nap353:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:nwa50ax_firmware:*:*:*:*:*:*:*:* versions up to (including) 6.25\(abyw.5\) OR cpe:2.3:h:zyxel:nwa50ax:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:nwa55axe_firmware:*:*:*:*:*:*:*:* versions up to (including) 6.25\(abzl.5\) OR cpe:2.3:h:zyxel:nwa55axe:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:nwa90ax_firmware:*:*:*:*:*:*:*:* versions up to (including) 6.27\(accv.2\) OR cpe:2.3:h:zyxel:nwa90ax:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:nwa110ax_firmware:*:*:*:*:*:*:*:* versions up to (including) 6.30\(abtg.2\) OR cpe:2.3:h:zyxel:nwa110ax:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:nwa210ax_firmware:*:*:*:*:*:*:*:* versions up to (including) 6.30\(abtd.2\) OR cpe:2.3:h:zyxel:nwa210ax:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:nwa1123-ac-hd_firmware:*:*:*:*:*:*:*:* versions up to (including) 6.25\(abin.6\) OR cpe:2.3:h:zyxel:nwa1123-ac-hd:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:nwa1123-ac-pro_firmware:*:*:*:*:*:*:*:* versions up to (including) 6.25\(abhd.7\) OR cpe:2.3:h:zyxel:nwa1123-ac-pro:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:nwa1123acv3_firmware:*:*:*:*:*:*:*:* versions up to (including) 6.30\(abvt.2\) OR cpe:2.3:h:zyxel:nwa1123acv3:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:nwa1302-ac_firmware:*:*:*:*:*:*:*:* versions up to (including) 6.25\(abku.6\) OR cpe:2.3:h:zyxel:nwa1302-ac:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:nwa5123-ac-hd_firmware:*:*:*:*:*:*:*:* versions up to (including) 6.25\(abim.6\) OR cpe:2.3:h:zyxel:nwa5123-ac-hd:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:wac500h_firmware:*:*:*:*:*:*:*:* versions up to (including) 6.30\(abwa.2\) OR cpe:2.3:h:zyxel:wac500h:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:wac500_firmware:*:*:*:*:*:*:*:* versions up to (including) 6.30\(abvs.2\) OR cpe:2.3:h:zyxel:wac500:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:wac5302d-s_firmware:*:*:*:*:*:*:*:* versions up to (including) 6.10\(abfh.10\) OR cpe:2.3:h:zyxel:wac5302d-s:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:wac5302d-sv2_firmware:*:*:*:*:*:*:*:* versions up to (including) 6.25\(abvz.6\) OR cpe:2.3:h:zyxel:wac5302d-sv2:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:wac6103d-i_firmware:*:*:*:*:*:*:*:* versions up to (including) 6.25\(aaxh.7\) OR cpe:2.3:h:zyxel:wac6103d-i:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:wac6303d-s_firmware:*:*:*:*:*:*:*:* versions up to (including) 6.25\(abgl.6\) OR cpe:2.3:h:zyxel:wac6303d-s:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:wac6502d-e_firmware:*:*:*:*:*:*:*:* versions up to (including) 6.25\(aasd.7\) OR cpe:2.3:h:zyxel:wac6502d-e:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:wac6502d-s_firmware:*:*:*:*:*:*:*:* versions up to (including) 6.25\(aase.7\) OR cpe:2.3:h:zyxel:wac6502d-s:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:wac6503d-s_firmware:*:*:*:*:*:*:*:* versions up to (including) 6.25\(aasf.7\) OR cpe:2.3:h:zyxel:wac6503d-s:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:wac6553d-s_firmware:*:*:*:*:*:*:*:* versions up to (including) 6.25\(aasg.7\) OR cpe:2.3:h:zyxel:wac6553d-s:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:wac6552d-s_firmware:*:*:*:*:*:*:*:* versions up to (including) 6.25\(abio.7\) OR cpe:2.3:h:zyxel:wac6552d-s:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:wax510d_firmware:*:*:*:*:*:*:*:* versions up to (including) 6.30\(abtf.2\) OR cpe:2.3:h:zyxel:wax510d:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:wax610d_firmware:*:*:*:*:*:*:*:* versions up to (including) 6.30\(abte.2\) OR cpe:2.3:h:zyxel:wax610d:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:wax630s_firmware:*:*:*:*:*:*:*:* versions up to (including) 6.30\(abzd.2\) OR cpe:2.3:h:zyxel:wax630s:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:wax650s_firmware:*:*:*:*:*:*:*:* versions up to (including) 6.30\(abrm.2\) OR cpe:2.3:h:zyxel:wax650s:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2022-26531 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2022-26531 weaknesses.

CAPEC-3: Using Leading 'Ghost' Character Sequences to Bypass Input Filters Using Leading 'Ghost' Character Sequences to Bypass Input Filters CAPEC-7: Blind SQL Injection Blind SQL Injection CAPEC-8: Buffer Overflow in an API Call Buffer Overflow in an API Call CAPEC-9: Buffer Overflow in Local Command-Line Utilities Buffer Overflow in Local Command-Line Utilities CAPEC-10: Buffer Overflow via Environment Variables Buffer Overflow via Environment Variables CAPEC-13: Subverting Environment Variable Values Subverting Environment Variable Values CAPEC-14: Client-side Injection-induced Buffer Overflow Client-side Injection-induced Buffer Overflow CAPEC-22: Exploiting Trust in Client Exploiting Trust in Client CAPEC-23: File Content Injection File Content Injection CAPEC-24: Filter Failure through Buffer Overflow Filter Failure through Buffer Overflow CAPEC-28: Fuzzing Fuzzing CAPEC-31: Accessing/Intercepting/Modifying HTTP Cookies Accessing/Intercepting/Modifying HTTP Cookies CAPEC-42: MIME Conversion MIME Conversion CAPEC-43: Exploiting Multiple Input Interpretation Layers Exploiting Multiple Input Interpretation Layers CAPEC-45: Buffer Overflow via Symbolic Links Buffer Overflow via Symbolic Links CAPEC-46: Overflow Variables and Tags Overflow Variables and Tags CAPEC-47: Buffer Overflow via Parameter Expansion Buffer Overflow via Parameter Expansion CAPEC-52: Embedding NULL Bytes Embedding NULL Bytes CAPEC-53: Postfix, Null Terminate, and Backslash Postfix, Null Terminate, and Backslash CAPEC-63: Cross-Site Scripting (XSS) Cross-Site Scripting (XSS) CAPEC-64: Using Slashes and URL Encoding Combined to Bypass Validation Logic Using Slashes and URL Encoding Combined to Bypass Validation Logic CAPEC-67: String Format Overflow in syslog() String Format Overflow in syslog() CAPEC-71: Using Unicode Encoding to Bypass Validation Logic Using Unicode Encoding to Bypass Validation Logic CAPEC-72: URL Encoding URL Encoding CAPEC-73: User-Controlled Filename User-Controlled Filename CAPEC-78: Using Escaped Slashes in Alternate Encoding Using Escaped Slashes in Alternate Encoding CAPEC-79: Using Slashes in Alternate Encoding Using Slashes in Alternate Encoding CAPEC-80: Using UTF-8 Encoding to Bypass Validation Logic Using UTF-8 Encoding to Bypass Validation Logic CAPEC-81: Web Server Logs Tampering Web Server Logs Tampering CAPEC-83: XPath Injection XPath Injection CAPEC-85: AJAX Footprinting AJAX Footprinting CAPEC-88: OS Command Injection OS Command Injection CAPEC-101: Server Side Include (SSI) Injection Server Side Include (SSI) Injection CAPEC-104: Cross Zone Scripting Cross Zone Scripting CAPEC-108: Command Line Execution through SQL Injection Command Line Execution through SQL Injection CAPEC-109: Object Relational Mapping Injection Object Relational Mapping Injection CAPEC-110: SQL Injection through SOAP Parameter Tampering SQL Injection through SOAP Parameter Tampering CAPEC-120: Double Encoding Double Encoding CAPEC-135: Format String Injection Format String Injection CAPEC-136: LDAP Injection LDAP Injection CAPEC-153: Input Data Manipulation Input Data Manipulation CAPEC-182: Flash Injection Flash Injection CAPEC-209: XSS Using MIME Type Mismatch XSS Using MIME Type Mismatch CAPEC-230: Serialized Data with Nested Payloads Serialized Data with Nested Payloads CAPEC-231: Oversized Serialized Data Payloads Oversized Serialized Data Payloads CAPEC-250: XML Injection XML Injection CAPEC-261: Fuzzing for garnering other adjacent user/sensitive data Fuzzing for garnering other adjacent user/sensitive data CAPEC-267: Leverage Alternate Encoding Leverage Alternate Encoding CAPEC-473: Signature Spoof Signature Spoof CAPEC-588: DOM-Based XSS DOM-Based XSS CAPEC-664: Server Side Request Forgery Server Side Request Forgery
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.04 }} 0.00%

score

0.05635

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: