CVE-2025-12946: NETGEAR MR90 Firmware

High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

  • NETGEAR MR90 Firmware: before 1.0.2.46 (fixed in 1.0.2.46)
  • NETGEAR MS90 Firmware: before 1.0.2.46 (fixed in 1.0.2.46)
  • NETGEAR RAX35V2 Firmware: before 1.0.17.142 (fixed in 1.0.17.142)
  • NETGEAR RAX41 Firmware: before 1.0.17.142 (fixed in 1.0.17.142)
  • NETGEAR RAX41V2 Firmware: before 1.1.6.36 (fixed in 1.1.6.36)
  • NETGEAR RAX42 Firmware: before 1.0.17.142 (fixed in 1.0.17.142)
  • NETGEAR RAX42V2 Firmware: before 1.1.6.36 (fixed in 1.1.6.36)
  • NETGEAR RAX43 Firmware: before 1.0.17.142 (fixed in 1.0.17.142)
  • NETGEAR RAX43V2 Firmware: before 1.1.6.36 (fixed in 1.1.6.36)
  • NETGEAR RAX45 Firmware: before 1.0.17.142 (fixed in 1.0.17.142)
  • NETGEAR RAX45V2 Firmware: before 1.1.6.36 (fixed in 1.1.6.36)
  • NETGEAR RAX49S Firmware: before 1.1.6.36 (fixed in 1.1.6.36)
  • NETGEAR RAX50 Firmware: before 1.2.14.114 (fixed in 1.2.14.114)
  • NETGEAR RAX50V2 Firmware: before 1.1.6.36 (fixed in 1.1.6.36)
  • NETGEAR RAX54SV2 Firmware: before 1.1.6.36 (fixed in 1.1.6.36)
  • NETGEAR RAXE450 Firmware: before 1.0.17.142 (fixed in 1.0.17.142)
  • NETGEAR RAXE500 Firmware: before 1.2.14.114 (fixed in 1.2.14.114)
  • NETGEAR RS700 Firmware: before 1.0.9.6 (fixed in 1.0.9.6)

Published 2025-12-09. Last modified 2026-10-07.