SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2025-12946

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…

MEDIUM 4.4EPSS 0.29%

Does this matter?

Lower severity and a low EPSS score (0.29%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 4.0
4.4 MEDIUMCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS
0.29% probability · 22th percentile
CISA KEV
Not listed
Weakness
CWE-20
Affected
netgear/rs700 firmware · netgear/rax54sv2 firmware · netgear/rax45v2 firmware · netgear/rax41v2 firmware · netgear/rax50 firmware · netgear/raxe500 firmware · netgear/rax41 firmware · netgear/rax43 firmware · netgear/rax35v2 firmware · netgear/raxe450 firmware · netgear/rax43v2 firmware · netgear/rax42 firmware · netgear/rax45 firmware · netgear/rax50v2 firmware · netgear/mr90 firmware · netgear/ms90 firmware · netgear/rax42v2 firmware · netgear/rax49s firmware
Source
a2826606-91e7-4eb6-899e-8484bd4575d5

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.