Vulnerability record · CVE-2026-18614 · published 3 August 2026

CVE-2026-18614: Injection vulnerability

A vulnerability was found in GL-iNet GL-MT3000 up to 4.4.5. Impacted is the function s2s.enable_echo_server of the file /cgi-bin/glc of the component s2s.so Native Plugin. Performing a manipulation of the argument port results in command injection. The attack may be initiated remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure and confirmed the existence of the vulnerability.

8.9 CVSS 4.0 High EPSS 3.6% · top 10.9% CWE-74 · InjectionCWE-77 · Command injection Deferred

8.9CVSS 4.0 base score, v2 10.0

3.6%EPSS exploitation probability, 30 days

NoNot in CISA KEV

0Affected product versions listed by NVD

5References

12 Aug 2026Last modified by NVD

Description

CVSS: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:

References

Link	Tags
https://github.com/StrTzz123/iot_vul/blob/main/GL-iNet/MT3000/4.4.5/s2s_enable_echo_server_glc_rce/CVE.md
https://vuldb.com/cve/CVE-2026-18614
https://vuldb.com/submit/851558
https://vuldb.com/vuln/385534
https://vuldb.com/vuln/385534/cti

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Source: NIST National Vulnerability Database (record CVE-2026-18614), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.