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.
Advisories

No advisories yet.

Fixes

Solution

NETGEAR strongly advises against allowing untrusted users or devices on your WiFi network. The NETGEAR C6220 has reached End-of-Support (EOS) and C6230 will reach EOS soon. Due to limited security impact (device reboots only), no fixes are planned.


Workaround

The users are advised to not allow untrusted devices to connect to the Wi-fi Network.

History

Sat, 17 Jan 2026 06:15:00 +0900

Type Values Removed Values Added
First Time appeared Netgear c6220 Firmware
Netgear c6230 Firmware
CPEs cpe:2.3:h:netgear:c6220:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:c6230:-:*:*:*:*:*:*:*
cpe:2.3:o:netgear:c6220_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netgear:c6230_firmware:-:*:*:*:*:*:*:*
Vendors & Products Netgear c6220 Firmware
Netgear c6230 Firmware
Metrics cvssV3_1

{'score': 5.7, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}


Wed, 10 Dec 2025 06:15:00 +0900

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 10 Dec 2025 04:45:00 +0900


Wed, 10 Dec 2025 03:30:00 +0900


Wed, 10 Dec 2025 02:15:00 +0900

Type Values Removed Values Added
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.
Title Denial of Service Vulnerability in NETGEAR C6220 and C6230
First Time appeared Netgear
Netgear c6220
Netgear c6230
Weaknesses CWE-306
CPEs cpe:2.3:h:netgear:c6220:*:*:*:*:*:*:*:*
cpe:2.3:h:netgear:c6230:*:*:*:*:*:*:*:*
Vendors & Products Netgear
Netgear c6220
Netgear c6230
References
Metrics cvssV4_0

{'score': 5, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/AU:N/R:A/V:D/RE:L/U:Amber'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: NETGEAR

Published:

Updated: 2025-12-09T20:44:09.127Z

Reserved: 2025-11-10T07:35:22.119Z

Link: CVE-2025-12941

cve-icon Vulnrichment

Updated: 2025-12-09T20:22:35.197Z

cve-icon NVD

Status : Analyzed

Published: 2025-12-09T17:15:48.453

Modified: 2026-01-16T21:13:16.813

Link: CVE-2025-12941

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses