Home/CVE/Improper Input Validation vulnerability in NETGEAR R6260 and NETGEAR R6850 allows unauthenticated attackers connected to
CVE

CVE-2025-12942

Improper Input Validation vulnerability in NETGEAR R6260 and NETGEAR R6850 allows unauthenticated attackers connected to

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.

HIGH · CVSS 7.5 EPSS 0.00028
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
▤

Affected Products & Versions

2
netgear r6260 firmware< 1.1.0.86
netgear r6850 firmware< 1.1.0.86
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · a2826606-91e7-4eb6-899e-8484bd4575d5
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD11 Nov 2025 · 05:15 PM
CVSS VectorCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://kb.netgear.com/000070355/NETGEAR-Security-Advisories-November-2025Vendor Advisory
https://www.netgear.com/support/product/r6260Product
https://www.netgear.com/support/product/r6850Product
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