CVE-2025-12942

High

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.

SeverityHigh

CVSS7.5

Exploit probability—

Product

Netgear R6260 Firmware

PublishedNov 11, 2025

First seenNov 11, 2025

Weakness typeCWE-20Improper input validation

How to fix

Update

netgear r6260_firmware1.1.0.86 or later
netgear r6850_firmware1.1.0.86 or later

Patches

Vendor advisories

kb.netgear.com/000070355/NETGEAR-Security-Advisories-November-2025

Affected products

Product	Affected versions	Fixed in
netgear r6260_firmware	v < 1.1.0.86	1.1.0.86
netgear r6850_firmware	v < 1.1.0.86	1.1.0.86

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