CVE-2026-18615: 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. The affected element is the function wg-server.generate_publickey of the file /cgi-bin/glc of the component wg-server.so Native Plugin. Executing a manipulation of the argument private_key can lead to command injection. The attack may be launched 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.