CVE-2026-18616 — CRITICAL (9.8)

Vulnerability Description

A vulnerability was identified in GL-iNet GL-MT3000 up to 4.4.5. The impacted element is the function server.set_peer of the file /cgi-bin/glc of the component wg-server.so Native Plugin. The manipulation of the argument public_key leads to command injection. Remote exploitation of the attack is possible. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure and confirmed the existence of the vulnerability.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-77 CWE-74

References

FAQ

What is CVE-2026-18616?

CVE-2026-18616 is a vulnerability with a CVSS score of 9.8 (CRITICAL). A vulnerability was identified in GL-iNet GL-MT3000 up to 4.4.5. The impacted element is the function server.set_peer of the file /cgi-bin/glc of the component wg-server.so Native Plugin. The manipula...

How severe is CVE-2026-18616?

CVE-2026-18616 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-18616?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.