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CVE-2025-12946

Improper input validation in NETGEAR Nighthawk routers

Medium4.4EPSS 0.29%
Published
Updated
Reserved
Assigned by
NETGEAR

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.

Scores

CVSS scores of CVE-2025-12946, by who scored it
Scored byCVSSScoreVector
NETGEARCNA (assigner)4.0Medium4.4CVSS: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
NVDNVD · Analyzed4.0Medium4.4CVSS: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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:N/AU:N/R:A/V:D/RE:M/U:Amber
EPSS (exploitation in 30 days)
0.29% · top 78% of all CVEs (6 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: total
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.4.

Weakness

Affected products

What to do

Solution: Devices with automatic updates enabled may already have this patch applied. If not, please check the firmware version and update it to the latest. Fixed in: RS700 firmware V1.0.9.6 or later RAX54Sv2/RAX45v2  firmware V1.1.6.36 or later https://www.netgear.com/support/product/rax54sv2 RAX41v2  firmware V1.1.6.36 or later https://www.netgear.com/support/product/rax41v2 RAX50  firmware V1.2.14.114 or later https://www.netgear.com/support/product/RAX50 RAXE500  firmware V1.2.14.114 or later https://www.netgear.com/support/product/raxe500 RAX41 firmware V1.0.17.142 or later https://www.netgear.com/support/product/rax41 RAX43 firmware V1.0.17.142 or later https://www.netgear.com/support/product/rax43 RAX35v2 firmware V1.0.17.142 or later https://www.netgear.com/support/product/RAX35v2 RAXE450 firmware V1.0.17.142 or later https://www.netgear.com/support/product/RAXE450 RAX43v2 firmware V1.1.6.36 or later https://www.netgear.com/support/product/RAX43v2 RAX42 firmware V1.0.17.142 or later https://www.netgear.com/support/product/RAX42 RAX45  firmware V1.0.17.142 or later https://www.netgear.com/support/product/RAX45 RAX50v2 firmware V1.1.6.36 or later https://www.netgear.com/support/product/RAX50v2 MR90 firmware V1.0.2.46 or later https://www.netgear.com/support/product/MR90 MS90 firmware V1.0.2.46 or later https://www.netgear.com/support/product/MS90 RAX42v2 firmware V1.1.6.36 or later https://www.netgear.com/support/product/RAX42v2 RAX49S firmware V1.1.6.36 or later https://www.netgear.com/support/product/RAX42v2

References (18)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .