CVE-2025-12942

Improper input validation in NETGEAR R6260 and R6850

Published Nov 11, 2025 CVSS 4.0 · 4.8 Medium EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Solution

Devices with automatic updates enabled may already have this patch applied. If not, please check the firmware version and update to the latest. Fixed in: R6260 Firmware Version 1.1.0.88 or later R6850 Firmware Version 1.1.0.88 or later

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:h:netgear:r6260:*:*:*:*:*:*:*:*
cpe:2.3:h:netgear:r6850:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Netgear r6260 Firmware
Netgear r6850 Firmware
CPEs cpe:2.3:h:netgear:r6260:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:r6850:-:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r6260_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r6850_firmware:*:*:*:*:*:*:*:*
Vendors & Products Netgear r6260 Firmware
Netgear r6850 Firmware
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
First Time appeared Netgear
Netgear r6260
Netgear r6850
Vendors & Products Netgear
Netgear r6260
Netgear r6850
Type Values Removed Values Added
Metrics cvssV4_0

{'score': 4.8, 'vector': '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'}

cvssV4_0

{'score': 4.8, 'vector': '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'}

Type Values Removed Values Added
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.
Title Improper input validation in NETGEAR R6260 and R6850
Weaknesses CWE-20
References
Metrics cvssV4_0

{'score': 4.8, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
NETGEAR
Published
Updated
Feb 26, 2026, 4:57 PM
Reserved
Nov 10, 2025, 7:35 AM
Status
Analyzed
Published
Nov 11, 2025, 5:15 PM
Modified
Oct 18, 2026, 9:10 PM