CVE-2025-12946
Improper input validation in NETGEAR Nighthawk routers
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.
INFO
Published Date :
Dec. 9, 2025, 5:15 p.m.
Last Modified :
Dec. 9, 2025, 8:15 p.m.
Remotely Exploit :
No
Source :
a2826606-91e7-4eb6-899e-8484bd4575d5
Affected Products
The following products are affected by CVE-2025-12946
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | MEDIUM | a2826606-91e7-4eb6-899e-8484bd4575d5 | ||||
| CVSS 4.0 | MEDIUM | a2826606-91e7-4eb6-899e-8484bd4575d5 |
Solution
- Update firmware on affected NETGEAR Nighthawk routers.
- Apply vendor-provided security patches.
- Restrict WAN-side access to router management features.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-12946.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-12946 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-12946
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-12946 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-12946 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by a2826606-91e7-4eb6-899e-8484bd4575d5
Dec. 09, 2025
Action Type Old Value New Value Added Reference https://kb.netgear.com/000070416/December-2025-NETGEAR-Security-Advisory -
CVE Modified by a2826606-91e7-4eb6-899e-8484bd4575d5
Dec. 09, 2025
Action Type Old Value New Value Removed Reference https://kb.netgear.com/000070355/NETGEAR-Security-Advisories-December-2025 -
New CVE Received by a2826606-91e7-4eb6-899e-8484bd4575d5
Dec. 09, 2025
Action Type Old Value New Value Added 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. Added CVSS V4.0 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 Added CWE CWE-20 Added Reference https://kb.netgear.com/000070355/NETGEAR-Security-Advisories-December-2025 Added Reference https://www.netgear.com/support/product/mr90 Added Reference https://www.netgear.com/support/product/ms90 Added Reference https://www.netgear.com/support/product/rax35v2 Added Reference https://www.netgear.com/support/product/rax41 Added Reference https://www.netgear.com/support/product/rax41v2 Added Reference https://www.netgear.com/support/product/rax42 Added Reference https://www.netgear.com/support/product/rax42v2 Added Reference https://www.netgear.com/support/product/rax43 Added Reference https://www.netgear.com/support/product/rax43v2 Added Reference https://www.netgear.com/support/product/rax45 Added Reference https://www.netgear.com/support/product/rax49s Added Reference https://www.netgear.com/support/product/RAX50 Added Reference https://www.netgear.com/support/product/rax50v2 Added Reference https://www.netgear.com/support/product/rax54sv2 Added Reference https://www.netgear.com/support/product/raxe450 Added Reference https://www.netgear.com/support/product/raxe500 Added Reference https://www.netgear.com/support/product/rs700