CVE-2025-12941

Authenticated router reboot via undisclosed mechanism

Published Dec 9, 2025 · Updated Dec 9, 2025

Denial of service in NETGEAR C6220 and C6230 routers allows remote authenticated users on local Wi-Fi to reboot the device. NETGEAR has not published the affected firmware component, request path, or input-handling operation that triggers the reboot. Access requires valid router credentials and a connection to the local Wi-Fi network; the documented consequence is a reboot only, without data access or modification.

CVSS severity5.7
Medium
EPSS probability0.20%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Denial of service in NETGEAR C6220 and C6230 routers allows remote authenticated users on local Wi-Fi to reboot the device. NETGEAR has not published the affected firmware component, request path, or input-handling operation that triggers the reboot. Access requires valid router credentials and a connection to the local Wi-Fi network; the documented consequence is a reboot only, without data access or modification.

The record

CVE
CVE-2025-12941
Published
Dec 9, 2025
Updated
Dec 9, 2025
Vendor
NETGEAR
Product
C6220
Classifications
CWE-306, T1499
Attack vector
adjacent
Privileges
authenticated

Timeline

How it unfolded

  1. Dec 9, 2025CVE publishedPublication date reported by the CVE source.
  2. Dec 9, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=*

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesauthenticated

What is affected?

NETGEAR · C6220version=0 <=*
NETGEAR · C6230version=0 <=*

Published CVSS scores

5.0NETGEARCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:N/R:A/V:D/RE:L/U:Amber
5.7NIST NVDCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectoradjacent
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-306Missing Authentication for Critical Function
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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