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CVE-2025-12946— Improper input validation in NETGEAR Nighthawk routers

Quick assessment

Affected
NETGEAR RS700
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

NETGEAR Nighthawk是美国网件（NETGEAR）公司的一系列无线路由器。 NETGEAR多款产品存在安全漏洞，该漏洞源于speedtest功能输入验证不当，可能导致攻击者使用中间人技术操纵DNS响应并在运行speedtest时执行命令。以下产品和版本受到影响：NETGEAR Nighthawk RS700 1.0.7.82及之前版本、RAX54Sv2 V1.1.6.36之前版本、RAX41v2 V1.1.6.36之前版本、RAX50 V1.2.14.114之前版本、RAXE500 V1.2.

AI Predicted 8.8 Difficulty: Moderate EPSS 0.29% · P20

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-12946

Vulnerability Information
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Vulnerability Title
Improper input validation in NETGEAR Nighthawk routers
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS: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
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
NETGEAR多款产品 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
NETGEAR Nighthawk是美国网件（NETGEAR）公司的一系列无线路由器。 NETGEAR多款产品存在安全漏洞，该漏洞源于speedtest功能输入验证不当，可能导致攻击者使用中间人技术操纵DNS响应并在运行speedtest时执行命令。以下产品和版本受到影响：NETGEAR Nighthawk RS700 1.0.7.82及之前版本、RAX54Sv2 V1.1.6.36之前版本、RAX41v2 V1.1.6.36之前版本、RAX50 V1.2.14.114之前版本、RAXE500 V1.2.
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
NETGEAR RS700 0 ~ 1.0.7.82 -
NETGEAR RAX54Sv2 0 ~ V1.1.6.36 -
NETGEAR RAX41v2 0 ~ V1.1.6.36 -
NETGEAR RAX50 0 ~ V1.2.14.114 -
NETGEAR RAXE500 0 ~ V1.2.14.114 -
NETGEAR RAX41 0 ~ V1.0.17.142 -
NETGEAR RAX43 0 ~ V1.0.17.142 -
NETGEAR RAX35v2 0 ~ V1.0.17.142 -
NETGEAR RAXE450 0 ~ V1.2.14.114 -
NETGEAR RAX43v2 0 ~ V1.1.6.36 -
NETGEAR RAX42 0 ~ V1.0.17.142 -
NETGEAR RAX45 0 ~ V1.0.17.142 -
NETGEAR RAX50v2 0 ~ V1.1.6.36 -
NETGEAR MR90 0 ~ V1.0.2.46 -
NETGEAR RAX42v2 0 ~ V1.1.6.36 -
NETGEAR RAX49S 0 ~ V1.1.6.36 -
NETGEAR MS90 0 ~ V1.0.2.46 -

II. Public POCs for CVE-2025-12946

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III. Intelligence Information for CVE-2025-12946

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Other References for CVE-2025-12946 (19)

Same Patch Batch · NETGEAR · 2025-12-09 · 3 CVEs total

CVE-2025-12945 2.4 LOW Improper input validation in NETGEAR Nighthawk router R7000P
CVE-2025-12941 Denial of Service Vulnerability in NETGEAR C6220 and C6230

IV. Related Vulnerabilities

Same vendor: NETGEAR
Same weakness: CWE-20

V. Comments for CVE-2025-12946

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