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NETGEAR C6220 and C6230 Denial-of-Service Vulnerability

Vulnerability

A denial-of-service vulnerability has been identified in the NETGEAR C6220 and C6230 models, both of which are DOCSIS 3.0 two-in-one cable modem and WiFi router devices. This vulnerability allows authenticated local WiFi users to reboot the router.

Impact

Exploitation of this vulnerability causes the router to reboot, disrupting any active connections.

Added: Dec 9, 2025, 5:37 PM
Updated: Dec 9, 2025, 11:29 PM

Vulnerability Rating

Custom Algorithm
spread
0.0
impact
2.5
exploitability
4.6
remediation
0.0
relevance
1.4
threat
6.4
urgency
5.7
incentive
0.8

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.