Denial of Service Flaw in NETGEAR Cable Modem and WiFi Router
CVE-2025-12941

5MEDIUM

Key Information:

Vendor

Netgear
Status
C6220
C6230
Vendor
CVE Published:
9 December 2025

Badges

👾 Exploit Exists

What is CVE-2025-12941?

A denial of service vulnerability has been identified in the NETGEAR C6220 and C6230 models of DOCSIS® 3.0 Cable Modem + WiFi Router. This flaw allows authenticated local WiFi users to reboot the router, which can disrupt the network connectivity for all devices relying on it. Users should ensure their routers are secured against unauthorized access to mitigate the risk of this vulnerability.

Affected Version(s)

C6220 0

C6230 0

References

https://www.netgear.com/support/product/c6220/
product
https://www.netgear.com/support/product/c6230/
product
https://kb.netgear.com/000070416/December-2025-NETGEAR-Se...
vendor-advisory

CVSS V4

Score:
5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

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