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.

CVSS v4.0

8.9 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1

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

CVSS v2.0

10.0 HIGHAV:N/AC:L/Au:N/C:C/I:C/A:C

EPSS

2.03% chance of exploitation in the next 30 days, 80th percentile

Published

2026-08-03

Updated

2026-08-04

Proof-of-concept exploits (1)

• StrTzz123/iot_vul/tree/main/GL-iNet/MT3000/4.4.5/modem_remove_profile_glc_rce

References

• CVE Record
• NVD entry

Related

• CVE-2026-11406
• CVE-2026-11447
• CVE-2026-12186
• CVE-2026-12187
• CVE-2026-18598
• CVE-2026-18599