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

Medium 5.0 Published Updated

Authenticated local WiFi users can reboot NETGEAR C6220 and C6230 cable modem routers, causing a denial of service.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-12941?

CVE-2025-12941 is a medium-severity missing authorization vulnerability in NETGEAR C6220, published on 9 Dec 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-306

Which versions are affected by CVE-2025-12941?

It affects 2 products.

Products include Netgear C6220 Firmware, Netgear C6230 Firmware.

How do I fix CVE-2025-12941?

No fix has been published for CVE-2025-12941 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2025-12941 being exploited?

There is no known exploitation of CVE-2025-12941 in the wild and no public exploit code.

Sources

Also known as GHSA-jx7x-fxc9-2wxv.

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