CVE-2025-12946 MEDIUM

CVE-2025-12946: Improper input validation in NETGEAR Nighthawk routers

Vendor Netgear
Product RS700
Weakness CWE-20 · Input validation
Published December 9, 2025
Last update February 26, 2026
View on NVD All CVEs

CVSS base score

4.4/10
Attack vector Adjacent
Attack complexity High
Privileges required None
User interaction —
Confidentiality —
Integrity —

CVSS vector

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/S:N/AU:N/R:A/V:D/RE:M/U:Amber

What the vulnerability does

01Description

A vulnerability in the speedtest feature of affected NETGEAR Nighthawk routers, caused by improper input validation, can allow attackers on the router's WAN side, using attacker-in-the-middle techniques (MiTM) to manipulate DNS responses and execute commands when speedtests are run. This issue affects RS700: through 1.0.7.82; RAX54Sv2 : before V1.1.6.36; RAX41v2: before V1.1.6.36; RAX50: before V1.2.14.114; RAXE500: before V1.2.14.114; RAX41: before V1.0.17.142; RAX43: before V1.0.17.142; RAX35v2: before V1.0.17.142; RAXE450: before V1.2.14.114; RAX43v2: before V1.1.6.36; RAX42: before V1.0.17.142; RAX45: before V1.0.17.142; RAX50v2: before V1.1.6.36; MR90: before V1.0.2.46; MS90: before V1.0.2.46; RAX42v2: before V1.1.6.36; RAX49S: before V1.1.6.36.

Key dates

02Disclosure timeline

December 9, 2025 CVE published
February 26, 2026 Record updated