CVE-2025-12942

Improper input validation in NETGEAR R6260 and R6850

State: Published
Severity: 4.8 Medium
Published: Nov 11, 2025
Updated: Feb 26, 2026
Reserved: Nov 10, 2025

Description

Improper Input Validation vulnerability in NETGEAR R6260 and NETGEAR R6850 allows unauthenticated attackers connected to LAN with ability to perform MiTM attacks and control over DNS Server to perform command execution.This issue affects R6260: through 1.1.0.86; R6850: through 1.1.0.86.

Scores

CVSS	Score	Vector	Source
4.0	4.8 Medium	CVSS:4.0/AV:A/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:L/U:Amber	NETGEAR

Weaknesses

CWE-20 Improper Input Validation

Affected Products

Product	Versions
R6260NETGEAR	1.1.0.86 and earlierAffected
R6850NETGEAR	1.1.0.86 and earlierAffected

References

https://www.netgear.com/support/product/r6850productpatch
https://www.netgear.com/support/product/r6260patchproduct
https://kb.netgear.com/000070355/NETGEAR-Security-Advisories-November-2025vendor-advisory

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