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CVE-2025-12941VulnerabilityPublished

CVE-2025-12941: NETGEAR C6220 · Missing Authentication

Affects NETGEAR C6220Source CVE Database V5

0

Not known to be exploited · CVSS 5.0 Medium.

Data as of 26 Oct 2026, 06:26 UTC

CVSS 4.0 base score
5.0Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 9% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
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

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 9 Dec 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.

What to do

Affected software

ProductAffectedFixed in
NETGEAR C6220Affected
  • =0
Fixed in–

AI-suggested

To mitigate this vulnerability, European organizations should implement the following specific measures: 1) Restrict WiFi access strictly to trusted users by enforcing strong WPA3 encryption and robust password policies to prevent unauthorized local access. 2) Segment the network to isolate critical devices and infrastructure from guest or less trusted WiFi networks, reducing the attack surface. 3) Monitor router logs and network behavior for unusual reboot patterns or connectivity interruptions that may indicate exploitation attempts. 4) Disable remote management features on the affected devices if not required, to limit exposure. 5) Engage with NETGEAR support channels to obtain firmware updates or patches as soon as they become available. 6) Consider replacing vulnerable devices with models that have stronger authentication controls for critical functions. 7) Educate users about the risks of connecting unknown devices to the WiFi network and enforce network access control policies. These targeted actions go beyond generic advice by focusing on access control, monitoring, and device lifecycle management specific to this vulnerability.

Description

CVE-2025-12941 is a medium-severity denial of service vulnerability affecting NETGEAR C6220 and C6230 cable modem + WiFi routers. The flaw stems from missing authentication for a critical function, allowing any authenticated local WiFi user to reboot the router without proper authorization. Exploitation requires local network access and low privileges but no user interaction. This can disrupt network availability by forcing unexpected device reboots. No public exploits are known yet, and no patches have been released. European organizations using these NETGEAR models should be aware of potential service interruptions. Mitigations include restricting WiFi access, segmenting networks, and monitoring for unusual reboot activity. Countries with higher NETGEAR market share and critical infrastructure relying on these devices are at greater risk.

References

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