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

Affected: NETGEAR RS700, NETGEAR RAX54Sv2, NETGEAR RAX41v2, NETGEAR RAX50, NETGEAR RAXE500, NETGEAR RAX41, NETGEAR RAX43, NETGEAR RAX35v2, NETGEAR RAXE450, NETGEAR RAX43v2 and 7 more

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.

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