6.5
MEDIUM
CVE-2022-43391
Zyxel NR7101 Buffer Overflow Denial-of-Service
Description

A buffer overflow vulnerability in the parameter of the CGI program in Zyxel NR7101 firmware prior to V1.15(ACCC.3)C0, which could allow an authenticated attacker to cause denial-of-service (DoS) conditions by sending a crafted HTTP request.

INFO

Published Date :

Jan. 11, 2023, 2:15 a.m.

Last Modified :

Dec. 29, 2023, 7:15 a.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2022-43391 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 lte7480-m804_firmware
2 Zyxel lte7490-m904_firmware
3 Zyxel nebula_nr7101_firmware
4 Zyxel nr7101_firmware
5 Zyxel nr7102_firmware
6 Zyxel pm7320-b0_firmware
7 Zyxel pmg5317-t20b_firmware
8 Zyxel pmg5617ga_firmware
9 Zyxel pmg5622ga_firmware
10 Zyxel nebula_nr5101_firmware
11 Zyxel nr5101_firmware
12 Zyxel dx3301-t0_firmware
13 Zyxel dx4510-b1_firmware
14 Zyxel dx5401-b0_firmware
15 Zyxel emg3525-t50b_firmware
16 Zyxel emg5523-t50b_firmware
17 Zyxel emg5723-t50k_firmware
18 Zyxel ex3301-t0_firmware
19 Zyxel ex3510-b0_firmware
20 Zyxel ex5401-b0_firmware
21 Zyxel ex5501-b0_firmware
22 Zyxel ex5510-b0_firmware
23 Zyxel ex5512-t0_firmware
24 Zyxel ex5600-t1_firmware
25 Zyxel ex5601-t0_firmware
26 Zyxel ex5601-t1_firmware
27 Zyxel vmg3927-t50k_firmware
28 Zyxel vmg4005-b50a_firmware
29 Zyxel vmg4005-b60a_firmware
30 Zyxel vmg8623-t50b_firmware
31 Zyxel vmg8825-t50k_firmware
32 Zyxel ax7501-b0_firmware
33 Zyxel pm3100-t0_firmware
34 Zyxel pm5100-t0_firmware
35 Zyxel pm7300-t0_firmware
36 Zyxel pmg5617-t20b2_firmware
37 Zyxel wx3100-t0_firmware
38 Zyxel wx3401-b0_firmware
39 Zyxel wx5600-t0_firmware
40 Zyxel lte3301-plus_firmware
41 Zyxel lte5388-m804_firmware
42 Zyxel lte5398-m904_firmware
43 Zyxel lte7240-m403_firmware
44 Zyxel lte7461-m602_firmware
45 Zyxel lte7480-s905_firmware
46 Zyxel lte7485-s905_firmware
47 Zyxel nebula_lte3301-plus_firmware
48 Zyxel nebula_lte7461-m602_firmware
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-2022-43391.

URL Resource
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-command-injection-and-buffer-overflow-vulnerabilities-of-cpe-fiber-onts-and-wifi-extenders 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).

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

The following list is the news that have been mention CVE-2022-43391 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2022-43391 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]

    Dec. 29, 2023

    Action Type Old Value New Value
    Changed Description A buffer overflow vulnerability in the parameter of the CGI program in Zyxel NR7101 firmware prior to V1.15(ACCC.3)C0, which could allow an authenticated attacker to cause denial-of-service (DoS) conditions by sending a crafted HTTP request. A buffer overflow vulnerability in the parameter of the CGI program in Zyxel NR7101 firmware prior to V1.15(ACCC.3)C0, which could allow an authenticated attacker to cause denial-of-service (DoS) conditions by sending a crafted HTTP request.
    Removed CVSS V3.1 Zyxel Corporation AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
    Added CVSS V3.1 Zyxel Corporation AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • Initial Analysis by [email protected]

    Jan. 18, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-command-injection-and-buffer-overflow-vulnerabilities-of-cpe-fiber-onts-and-wifi-extenders No Types Assigned https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-command-injection-and-buffer-overflow-vulnerabilities-of-cpe-fiber-onts-and-wifi-extenders Vendor Advisory
    Added CWE NIST CWE-120
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:lte3301-plus_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:lte3301-plus:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:lte5388-m804_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:lte5388-m804:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:lte5398-m904_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:lte5398-m904:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:lte7240-m403_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:lte7240-m403:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:lte7461-m602_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:lte7461-m602:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:lte7480-m804_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.00\(abra.6\)c0 OR cpe:2.3:h:zyxel:lte7480-m804:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:lte7480-s905_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:lte7480-s905:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:lte7485-s905_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:lte7485-s905:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:lte7490-m904_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.00\(abqy.5\)c0 OR cpe:2.3:h:zyxel:lte7490-m904:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:nebula_lte3301-plus_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.15\(acca.3\)c0 OR cpe:2.3:h:zyxel:nebula_lte3301-plus:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:nebula_lte7461-m602_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.15\(acev.3\)c0 OR cpe:2.3:h:zyxel:nebula_lte7461-m602:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:nebula_nr5101_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.15\(accg.3\)c0 OR cpe:2.3:h:zyxel:nebula_nr5101:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:nebula_nr7101_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.15\(accc.3\)c0 OR cpe:2.3:h:zyxel:nebula_nr7101:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:nr5101_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.00\(abvc.6\)c0 OR cpe:2.3:h:zyxel:nr5101:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:nr7101_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.00\(abuv.7\)c0 OR cpe:2.3:h:zyxel:nr7101:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:nr7102_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.00\(abyd.2\)c0 OR cpe:2.3:h:zyxel:nr7102:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:dx3301-t0_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:dx3301-t0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:dx4510-b1_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:dx4510-b1:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:dx5401-b0_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:dx5401-b0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:emg3525-t50b_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:emg3525-t50b:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:emg5523-t50b_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:emg5523-t50b:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:emg5723-t50k_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:emg5723-t50k:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:ex3301-t0_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:ex3301-t0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:ex3510-b0_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 5.17\(abup.7\)c0 OR cpe:2.3:h:zyxel:ex3510-b0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:ex5401-b0_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:ex5401-b0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:ex5501-b0_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:ex5501-b0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:ex5510-b0_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 5.17\(abqx.7\)c0 OR cpe:2.3:h:zyxel:ex5510-b0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:ex5512-t0_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:ex5512-t0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:ex5600-t1_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:ex5600-t1:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:ex5601-t0_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:ex5601-t0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:ex5601-t1_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:ex5601-t1:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:vmg3927-t50k_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:vmg3927-t50k:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:vmg4005-b50a_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:vmg4005-b50a:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:vmg4005-b60a_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:vmg4005-b60a:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:vmg8623-t50b_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:vmg8623-t50b:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:vmg8825-t50k_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:vmg8825-t50k:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:ax7501-b0_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:ax7501-b0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:pm3100-t0_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:pm3100-t0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:pm5100-t0_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:pm5100-t0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:pm7300-t0_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:pm7300-t0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:pm7320-b0_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:pm7320-b0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:pmg5317-t20b_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:pmg5317-t20b:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:pmg5617-t20b2_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:pmg5617-t20b2:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:pmg5617ga_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:pmg5617ga:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:pmg5622ga_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:pmg5622ga:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:wx3100-t0_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:wx3100-t0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:wx3401-b0_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:wx3401-b0:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:wx5600-t0_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:wx5600-t0:-:*:*:*:*:*:*:*
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-2022-43391 is associated with the following CWEs:

Exploit Prediction

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

0.08 }} 0.00%

score

0.32092

percentile

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