PT-2026-67553 · Gl.Inet · Gl-Mt3000

Strforexc2 · CVE-2026-18685 · Published 2026-08-03 · Updated 2026-08-04

Mitre

CVSS v3.1

9.8

Critical

Base vector

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

A security vulnerability has been detected in GL.iNet GL-MT3000 up to 4.4.5. Impacted is the function set upgrade of the file /cgi-bin/glc of the component modem.so. Such manipulation leads to command injection. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure and confirmed the existence of the vulnerability.

Exploit

Fix

Command Injection

Special Elements Injection

Weakness Enumeration

CWE-77

CWE-74

Related Identifiers

CVE-2026-18685

Affected Products

Gl-Mt3000

References · 6

• 🔥 https://github.com/StrTzz123/iot_vul/tree/main/GL-iNet/MT3000/4.4.5/modem_set_upgrade_glc_rce · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-18685 · Security Note
• https://vuldb.com/vuln/385611 · Note
• https://vuldb.com/vuln/385611/cti · Note
• https://vuldb.com/submit/851593 · Note
• https://vuldb.com/cve/CVE-2026-18685 · Note