SB20251210168 - Remote command execution in NETGEAR Nighthawk routers



SB20251210168 - Remote command execution in NETGEAR Nighthawk routers

Published: December 10, 2025

Security Bulletin ID SB20251210168
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Adjecent network
Highest impact Code execution

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Input validation error (CVE-ID: CVE-2025-12946)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insufficient validation of user-supplied input in the speedtest feature. A remote attacker on the local network can pass specially crafted input to the application and execute arbitrary commands when speedtests are run.


Remediation

Install update from vendor's website.