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CVE-2025-12941

Denial of Service Vulnerability in NETGEAR C6220 and C6230

MEDIUM
5.7
CVSS Score
Published: December 9, 2025 at 05:01 PM UTC
Updated: October 8, 2026 at 10:10 AM UTC
4 products affected across 1 vendorC6220 FirmwareC6230 FirmwareC6220

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Severity
MEDIUM5.7
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

C6220 Firmware· NETGEAR
95%
All versions
netgear-c6220 (same device)
C6230 Firmware· NETGEAR
95%
All versions
netgear-c6230 (same device)
C6220· NETGEAR
60%
All versions
C6230· NETGEAR
60%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (4)

Source: a2826606-91e7-4eb6-899e-8484bd4575d5
https://kb.netgear.com/000070355/NETGEAR-Security-Advisories-December-2025
Product
Source: a2826606-91e7-4eb6-899e-8484bd4575d5
https://www.netgear.com/support/product/c6220/
Product
Source: a2826606-91e7-4eb6-899e-8484bd4575d5
https://www.netgear.com/support/product/c6230/
Vendor Advisory
Source: cverecord
https://kb.netgear.com/000070416/December-2025-NETGEAR-Security-Advisory

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.7MEDIUM[email protected]
Attack Vector
ADJACENT_NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-306

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