CVE-2026-18601: GL.iNet GL-MT3000 ovpn-client.so Native Plugin glc ovpn-client.check_config command injection
A vulnerability was found in GL.iNet GL-MT3000 up to 4.4.5. This impacts the function ovpn-client.checkconfig of the file /cgi-bin/glc of the component ovpn-client.so Native Plugin. Performing a manipulation of the argument filename results in command injection. Remote exploitation of the attack is possible. The exploit has been made public and could be used. The vendor was contacted early about this disclosure and confirmed the existence of the vulnerability.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-18601?
The severity of CVE-2026-18601 is critical with a CVSS score of 9.8.
What type of vulnerability is reported in CVE-2026-18601?
CVE-2026-18601 is a command injection vulnerability found in the ovpn-client.check_config function.
How does CVE-2026-18601 affect users?
CVE-2026-18601 allows remote attackers to execute arbitrary commands on vulnerable GL.iNet GL-MT3000 devices.
How do I fix CVE-2026-18601?
To fix CVE-2026-18601, update the GL.iNet GL-MT3000 firmware to the latest version, which addresses this command injection vulnerability.
On which devices does CVE-2026-18601 exist?
CVE-2026-18601 affects the GL.iNet GL-MT3000 devices running firmware versions up to 4.4.5.