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

Severity: medium (CVSS 5.7 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-12-09 · updated 2026-10-08
Weakness: CWE-306

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.

Affected products

NETGEAR C6220 Firmware: all versions
NETGEAR C6230 Firmware: all versions

References

https://kb.netgear.com/000070416/December-2025-NETGEAR-Security-Advisory
https://www.netgear.com/support/product/c6220/
https://www.netgear.com/support/product/c6230/

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