CVE-2025-12946

HIGH

NETGEAR Nighthawk Routers - Remote Code Execution via Speedtest DNS Manipulation

Title source: llm
STIX 2.1

Description

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.

References (18)

Core 18
Core References
Patch, Product product patch
https://www.netgear.com/support/product/rs700
Patch, Product product patch
https://www.netgear.com/support/product/RAX50
Patch, Product product patch
https://www.netgear.com/support/product/rax41
Patch, Product product patch
https://www.netgear.com/support/product/rax43
Patch, Product product patch
https://www.netgear.com/support/product/rax42
Patch, Product product patch
https://www.netgear.com/support/product/rax45
Patch, Product product patch
https://www.netgear.com/support/product/mr90
Patch, Product product patch
https://www.netgear.com/support/product/ms90
Patch, Product product patch
https://www.netgear.com/support/product/rax49s

Scores

CVSS v3 7.5
EPSS 0.0005
EPSS Percentile 16.5%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-20
Status published
Products (18)
netgear/mr90_firmware < 1.0.2.46
netgear/ms90_firmware < 1.0.2.46
netgear/rax35v2_firmware < 1.0.17.142
netgear/rax41_firmware < 1.0.17.142
netgear/rax41v2_firmware < 1.1.6.36
netgear/rax42_firmware < 1.0.17.142
netgear/rax42v2_firmware < 1.1.6.36
netgear/rax43_firmware < 1.0.17.142
netgear/rax43v2_firmware < 1.1.6.36
netgear/rax45_firmware < 1.0.17.142
... and 8 more
Published Dec 09, 2025
Tracked Since Feb 18, 2026