Missing authentication in NETGEAR C6220
Priority LOW 22CWE-306Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- Present
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-306.
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00196 9th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| NETGEAR | C6220 | all versions | — | No fix listed | CNA |
| NETGEAR | C6230 | all versions | — | No fix listed | CNA |
- C6220 VendorNETGEAR Affected all versions Fixed in — No fix listed CNA
- C6230 VendorNETGEAR Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:netgear:c6230_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:c6230:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
| cpe:2.3:o:netgear:c6220_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | NETGEAR |
| cpe:2.3:h:netgear:c6220:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NETGEAR |
- cpe:2.3:o:netgear:c6230_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:c6230:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
- cpe:2.3:o:netgear:c6220_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NETGEAR
- cpe:2.3:h:netgear:c6220:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-12941
- 2026-10-03 Alias added: GHSA-jx7x-fxc9-2wxv
References
Sources
- CVE-2025-12941 · CVE Program
- CVE-2025-12941 · NVD
- FIRST EPSS
- GHSA-jx7x-fxc9-2wxv · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences