CVE-2026-18602: Gl.inet Gl-MT3000

Critical severity, CVSS 9.8. EPSS: 3.6% chance of exploitation in the next 30 days.

A vulnerability was determined in GL.iNet GL-MT3000 up to 4.4.5. Affected is the function ovpn-client.get_recommend_config of the file /cgi-bin/glc of the component ovpn-client.so Native Plugin. Executing a manipulation of the argument Hostname can lead to command injection. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure and confirmed the existence of the vulnerability.

Affected products

• Gl.inet Gl-MT3000: version 4.4.0 only; version 4.4.1 only; version 4.4.2 only; version 4.4.3 only; version 4.4.4 only; version 4.4.5 only

Published 2026-08-03. Last modified 2026-08-12.