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CVE-2025-12941— Denial of Service Vulnerability in NETGEAR C6220 and C6230

Quick assessment

Affected
NETGEAR C6220
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 C6220和NETGEAR C6230都是美国网件（NETGEAR）公司的一款二合一网关。 NETGEAR C6220和NETGEAR C6230存在安全漏洞，该漏洞源于认证本地WiFi用户可重启路由器，可能导致拒绝服务攻击。

AI Predicted 7.8 Difficulty: Easy EPSS 0.20% · P9

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2025-12941

Vulnerability Information
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Vulnerability Title
Denial of Service Vulnerability in NETGEAR C6220 and C6230
Source: CVE Program / CVE List V5
Vulnerability Description
Denial of Service Vulnerability in NETGEAR C6220 and C6230 (DOCSIS® 3.0 Two-in-one Cable Modem + WiFi Router) allows authenticated local WiFi users reboot the router.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:A/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/AU:N/R:A/V:D/RE:L/U:Amber
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
NETGEAR C6220和NETGEAR C6230 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
NETGEAR C6220和NETGEAR C6230都是美国网件（NETGEAR）公司的一款二合一网关。 NETGEAR C6220和NETGEAR C6230存在安全漏洞，该漏洞源于认证本地WiFi用户可重启路由器，可能导致拒绝服务攻击。
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 C6220 0 ~ * -
NETGEAR C6230 0 ~ * -

II. Public POCs for CVE-2025-12941

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III. Intelligence Information for CVE-2025-12941

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Other References for CVE-2025-12941 (4)

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-2025-12946 Improper input validation in NETGEAR Nighthawk routers

IV. Related Vulnerabilities

Same vendor: NETGEAR
Same weakness: CWE-306

V. Comments for CVE-2025-12941

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