CVE-2021-34865
NETGEAR Router Authentication Bypass Vulnerability
Description
This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of multiple NETGEAR routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the mini_httpd service, which listens on TCP port 80 by default. The issue results from incorrect string matching logic when accessing protected pages. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of root. Was ZDI-CAN-13313.
INFO
Published Date :
Jan. 25, 2022, 4:15 p.m.
Last Modified :
Oct. 27, 2022, 11:53 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
2.8
Affected Products
The following products are affected by CVE-2021-34865
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.
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-2021-34865
.
URL | Resource |
---|---|
https://kb.netgear.com/000063955/Security-Advisory-for-Authentication-Bypass-Vulnerability-on-Some-Routers-PSV-2021-0083?article=000063955 | Vendor Advisory |
https://www.zerodayinitiative.com/advisories/ZDI-21-1051/ | Third Party Advisory VDB Entry |
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-2021-34865
vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-34865
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 -
Reanalysis by [email protected]
Oct. 27, 2022
Action Type Old Value New Value Removed CWE NIST CWE-287 Added CWE NIST CWE-697 -
Initial Analysis by [email protected]
Feb. 01, 2022
Action Type Old Value New Value Added CVSS V2 NIST (AV:A/AC:L/Au:N/C:C/I:C/A:C) Added CVSS V3.1 NIST AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://kb.netgear.com/000063955/Security-Advisory-for-Authentication-Bypass-Vulnerability-on-Some-Routers-PSV-2021-0083?article=000063955 No Types Assigned https://kb.netgear.com/000063955/Security-Advisory-for-Authentication-Bypass-Vulnerability-on-Some-Routers-PSV-2021-0083?article=000063955 Vendor Advisory Changed Reference Type https://www.zerodayinitiative.com/advisories/ZDI-21-1051/ No Types Assigned https://www.zerodayinitiative.com/advisories/ZDI-21-1051/ Third Party Advisory, VDB Entry Added CWE NIST CWE-287 Added CPE Configuration AND OR *cpe:2.3:o:netgear:ac2100_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.2.0.88 OR cpe:2.3:h:netgear:ac2100:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netgear:ac2400_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.2.0.88 OR cpe:2.3:h:netgear:ac2400:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netgear:ac2600_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.2.0.88 OR cpe:2.3:h:netgear:ac2600:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netgear:d7000v1_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.1.80 OR cpe:2.3:h:netgear:d7000v1:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6220_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.1.0.110 OR cpe:2.3:h:netgear:r6220:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6230_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.1.0.110 OR cpe:2.3:h:netgear:r6230:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6260_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.1.0.84 OR cpe:2.3:h:netgear:r6260:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6330_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.1.0.84 OR cpe:2.3:h:netgear:r6330:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6350_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.1.0.84 OR cpe:2.3:h:netgear:r6350:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6700v2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.2.0.88 OR cpe:2.3:h:netgear:r6700v2:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6800_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.2.0.88 OR cpe:2.3:h:netgear:r6800:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6850_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.1.0.84 OR cpe:2.3:h:netgear:r6850:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6900v2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.2.0.88 OR cpe:2.3:h:netgear:r6900v2:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netgear:r7200_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.2.0.88 OR cpe:2.3:h:netgear:r7200:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netgear:r7350_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.2.0.88 OR cpe:2.3:h:netgear:r7350:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netgear:r7400_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.2.0.88 OR cpe:2.3:h:netgear:r7400:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netgear:r7450_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.2.0.88 OR cpe:2.3:h:netgear:r7450:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-34865
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-2021-34865
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.45 }} 0.11%
score
0.75512
percentile