CVE-2026-18614
CriticalCVSS 9.8Summary
GL-iNet GL-MT3000 up to version 4.4.5 has a command injection vulnerability in the s2s.enable_echo_server function of /cgi-bin/glc in the s2s.so component. Manipulating the port argument allows remote command execution.
Risk Assessment
An attacker can remotely execute arbitrary commands on the device, potentially leading to full compromise of the router.
Recommendation
Update the GL-MT3000 firmware to the latest version that fixes this vulnerability.
Original NVD description (English source)
A vulnerability was found in GL-iNet GL-MT3000 up to 4.4.5. Impacted is the function s2s.enable_echo_server of the file /cgi-bin/glc of the component s2s.so Native Plugin. Performing a manipulation of the argument port results in command injection. The attack may be initiated remotely. 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.