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VULNERABILITIES

CVE-2021-34865 Details

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.

Metrics

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://kb.netgear.com/000063955/Security-Advisory-for-Authentication-Bypass-Vulnerability-on-Some-Routers-PSV-2021-0083?article=000063955 CVEVendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-1051/ CVEThird Party AdvisoryVDB Entry
https://kb.netgear.com/000063955/Security-Advisory-for-Authentication-Bypass-Vulnerability-on-Some-Routers-PSV-2021-0083?article=000063955 [email protected]Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-1051/ [email protected]Third Party AdvisoryVDB Entry

Weakness Enumeration

CWE-IDCWE NameSource
CWE-697Incorrect Comparison[email protected]
CWE-287Improper Authentication[email protected]

Affected Products

ProductVersions

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-34865
NVD Published Date:
Jan 25, 2022
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-34865 Details - Not Deferred