---
id: CVE-2025-12941
title: >-
  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.
summary: >-
  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.
severity: medium
cvss: 5.7
cvssVector: 'CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-306
vendor: netgear
product: c6230_firmware
affected:
  - c6230_firmware
  - c6220_firmware
published: '2025-12-09'
updated: '2026-10-08'
sourceUpdated: '2026-10-08T10:10:00.227'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-12941'
references:
  - url: 'https://kb.netgear.com/000070416/December-2025-NETGEAR-Security-Advisory'
    label: a2826606-91e7-4eb6-899e-8484bd4575d5
  - url: 'https://www.netgear.com/support/product/c6220/'
    label: a2826606-91e7-4eb6-899e-8484bd4575d5
  - url: 'https://www.netgear.com/support/product/c6230/'
    label: a2826606-91e7-4eb6-899e-8484bd4575d5
tags:
  - nvd
epss: 0.00196
epssPercentile: 0.08459
ingestedAt: '2026-10-08T10:28:24.243Z'
---

## Overview

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

- `c6230_firmware`
- `c6220_firmware`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.