Vulnerability · 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
Published Dec 9, 2025 · catalog updated Feb 26, 2026 · Netgear RAX43v2
Last checked Nov 2, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2025-12946. EPSS is 0.29%. Act only if a listed version of Netgear RAX43v2 is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- Medium4.4
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.29%
- Remediation
- Version ranges on file
- Affected products
- vendor Netgear RAX43v2 0 <V1.1.6.36
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
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor Netgear RAX43v2 0 <V1.1.6.360 <V1.1.6.36
How to fix CVE-2025-12946
Upgrade
CVE-2025-12946 lists a fix boundary at V1.1.6.36. Compare the installed build with that boundary before you change production.
Version check
Seen in 0 <V1.1.6.36
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2025-12946. EPSS is 0.29%. Act only if a listed version of Netgear RAX43v2 is installed.
Which versions are affected?
Compare what you have installed with Netgear RAX43v2 0 <V1.1.6.36 0 <V1.1.6.36. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.29%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Dec 9, 2025 · EUVD
Detected
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
Feb 26, 2026 · EUVD
Updated
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
Sources
- CVE.orgVulnerability recordCVE-2025-12946
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2025-12946
30-day exploitation probability 0.29%
first.org - EUVDVulnerability recordEUVD-2025-202283
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 r
euvd.enisa.europa.eu
References
Freshness
Last verified in this catalog Nov 2, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- FIRST EPSSNov 2, 2026
- CVE.orgOct 27, 2026
- EUVDOct 26, 2026