6.8
MEDIUM
CVE-2020-26913
NETGEAR Stack-Based Buffer Overflow Vulnerability
Description

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects D6100 before 1.0.0.63, R7800 before 1.0.2.60, R8900 before 1.0.4.26, R9000 before 1.0.4.26, RBK20 before 2.3.0.28, RBR20 before 2.3.0.28, RBS20 before 2.3.0.28, RBK50 before 2.3.0.32, RBR50 before 2.3.0.32, RBS50 before 2.3.0.32, RBK40 before 2.3.0.28, RBR40 before 2.3.0.28, RBS40 before 2.3.0.28, SRK60 before 2.2.2.20, SRR60 before 2.2.2.20, SRS60 before 2.2.2.20, WN3000RPv2 before 1.0.0.78, WNDR4300v2 before 1.0.0.58, WNDR4500v3 before 1.0.0.58, WNR2000v5 before 1.0.0.70, XR450 before 2.3.2.40, and XR500 before 2.3.2.40.

INFO

Published Date :

Oct. 9, 2020, 7:15 a.m.

Last Modified :

Nov. 21, 2024, 5:20 a.m.

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

0.9
Affected Products

The following products are affected by CVE-2020-26913 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 Netgear r7800_firmware
2 Netgear r8900_firmware
3 Netgear r9000_firmware
4 Netgear xr500_firmware
5 Netgear rbk20_firmware
6 Netgear rbr20_firmware
7 Netgear rbs20_firmware
8 Netgear rbk40_firmware
9 Netgear rbs40_firmware
10 Netgear rbk50_firmware
11 Netgear rbr50_firmware
12 Netgear rbs50_firmware
13 Netgear xr450_firmware
14 Netgear wn3000rpv2_firmware
15 Netgear wnr2000v5_firmware
16 Netgear d6100_firmware
17 Netgear srk60_firmware
18 Netgear srr60_firmware
19 Netgear srs60_firmware
20 Netgear wndr4300v2_firmware
21 Netgear wndr4500v3_firmware
22 Netgear wnr2000v5
23 Netgear d6100
24 Netgear wndr4300v2
25 Netgear wndr4500v3
26 Netgear r9000
27 Netgear r8900
28 Netgear r7800
29 Netgear xr500
30 Netgear rbr20
31 Netgear rbs20
32 Netgear rbk20
33 Netgear rbs40
34 Netgear rbk40
35 Netgear rbr50
36 Netgear rbs50
37 Netgear rbk50
38 Netgear srk60
39 Netgear srr60
40 Netgear srs60
41 Netgear xr450
42 Netgear wn3000rpv2
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-2020-26913.

URL Resource
https://kb.netgear.com/000062340/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-and-WiFi-Systems-PSV-2018-0140 Vendor Advisory
https://kb.netgear.com/000062340/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-and-WiFi-Systems-PSV-2018-0140 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-2020-26913 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-26913 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 af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://kb.netgear.com/000062340/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-and-WiFi-Systems-PSV-2018-0140
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Oct. 16, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:A/AC:L/Au:S/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://kb.netgear.com/000062340/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-and-WiFi-Systems-PSV-2018-0140 No Types Assigned https://kb.netgear.com/000062340/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-and-WiFi-Systems-PSV-2018-0140 Vendor Advisory
    Added CWE NIST CWE-787
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:d6100_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.63 OR cpe:2.3:h:netgear:d6100:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r7800_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.2.60 OR cpe:2.3:h:netgear:r7800:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r8900_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.4.26 OR cpe:2.3:h:netgear:r8900:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r9000_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.4.26 OR cpe:2.3:h:netgear:r9000:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbk20_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.3.0.28 OR cpe:2.3:h:netgear:rbk20:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbr20_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.3.0.28 OR cpe:2.3:h:netgear:rbr20:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbs20_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.3.0.28 OR cpe:2.3:h:netgear:rbs20:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbk50_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.3.0.32 OR cpe:2.3:h:netgear:rbk50:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbr50_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.3.0.32 OR cpe:2.3:h:netgear:rbr50:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbs50_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.3.0.32 OR cpe:2.3:h:netgear:rbs50:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbk40_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.3.0.28 OR cpe:2.3:h:netgear:rbk40:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbs40_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.3.0.28 OR cpe:2.3:h:netgear:rbs40:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:srk60_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.2.2.20 OR cpe:2.3:h:netgear:srk60:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:srr60_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.2.2.20 OR cpe:2.3:h:netgear:srr60:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:srs60_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.2.2.20 OR cpe:2.3:h:netgear:srs60:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:wn3000rpv2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.78 OR cpe:2.3:h:netgear:wn3000rpv2:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:wndr4300v2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.58 OR cpe:2.3:h:netgear:wndr4300v2:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:wndr4500v3_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.58 OR cpe:2.3:h:netgear:wndr4500v3:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:wnr2000v5_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.70 OR cpe:2.3:h:netgear:wnr2000v5:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:xr450_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.3.2.40 OR cpe:2.3:h:netgear:xr450:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:xr500_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.3.2.40 OR cpe:2.3:h:netgear:xr500:-:*:*:*:*:*:*:*
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-2020-26913 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-2020-26913 weaknesses.

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

0.10264

percentile

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