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CVE-2025-12946

Improper input validation in NETGEAR Nighthawk routers

Published: Dec 9, 2025Updated: Jan 21, 2026 Sources: CVE List NVDCWE-20
NVD MITRE
7.5CVSSHIGH
EPSS Score
0.3%
Top 83.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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 Vector Breakdown

AV:AAC:HPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:AAttack Vector
Adjacent
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-20NVD-CWE-noinfo

Affected Products

rs700 firmwarenetgearNetworking Infrastructure
rax54sv2 firmwarenetgearNetworking Infrastructure
rax45v2 firmwarenetgearNetworking Infrastructure
rax41v2 firmwarenetgearNetworking Infrastructure
rax50 firmwarenetgearNetworking Infrastructure
netgearcommercialUSNetworking Infrastructureaka net gear
and 30 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

https://kb.netgear.com/000070416/December-2025-NETGEAR-Security-Advisory
kb.netgear.com
https://www.netgear.com/support/product/RAX50
netgear.com
https://www.netgear.com/support/product/mr90
netgear.com
and 15 more references View all →

Timeline

Published
Dec 9, 2025
Last Updated
Jan 21, 2026

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