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CRITICAL

CVE-2026-18616

CVSS v3

9.8

CRITICAL

EPSS Score

2.0 %

exploit probability

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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.

Technical details

CVSS v3 Vector
3.1
Published
2026-08-03
Last Modified
2026-08-04

Frequently asked questions

What is CVE-2026-18616?

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.

Is CVE-2026-18616 actively exploited?

Active exploitation of CVE-2026-18616 has not been confirmed. The EPSS score is 2.0%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-18616?

CVE-2026-18616 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string 3.1.

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