CVE-2021-34865

HighCVSS 8.8/10Last modified Jun 17, 2026

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

CVSS 3.1 8.8/10CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-287CWE-697

Affected software

No affected versions have been published.

Timeline

Published
Jan 25, 2022
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-34865: High severity, CVSS 8.8 | Vulnix