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CRITICAL

CVE-2026-18684

CVSS v3

9.8

CRITICAL

EPSS Score

2.0 %

exploit probability

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

A weakness has been identified in GL.iNet GL-MT3000 up to 4.4.5. This issue affects the function remove_profile of the file /cgi-bin/glc of the component modem.so. This manipulation causes command injection. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. 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-2026-18684?

A weakness has been identified in GL.iNet GL-MT3000 up to 4.4.5. This issue affects the function remove_profile of the file /cgi-bin/glc of the component modem.so. This manipulation causes command injection. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure and confirmed the existence of the vulnerability.

Is CVE-2026-18684 actively exploited?

Active exploitation of CVE-2026-18684 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-2026-18684?

CVE-2026-18684 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string 3.1.

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