RCE in Gl-Inet Gl-Mt3000

CVE-2026-18612

A flaw has been found in GL-iNet GL-MT3000 up to 4.4.5. This vulnerability affects the function plugins.remove_package/plugins.install_package of the file /cgi-bin/glc of the component plugins.so Native Plugin. This manipulation causes command injection. The attack can be initiated remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure and confirmed the existence of the vulnerability.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.040 (90.5th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 90.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-18612: held from 0.040 to 0.040.

EPSS over last 30 days · oldest: 0.040 · newest: 0.040 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-18612?
CVE-2026-18612 is a critical-severity vulnerability in Gl-Inet Gl-Mt3000, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 9.8/10. Published 2026-08-03.
How severe is CVE-2026-18612?
Critical severity. CVSS v3 base score is 9.8 out of 10.