CVE-2026-18614

CRITICAL 9.8

GL-iNet GL-MT3000 s2s.so Native Plugin glc s2s.enable_echo_server command injection

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-77 CWE-74
Vendor	gl-inet
Product	gl-mt3000
Published	Aug 3, 2026
Last Updated	Aug 3, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

GL-iNet / GL-MT3000

4.4.0 4.4.1 4.4.2 4.4.3 4.4.4 4.4.5

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

🔍 strforexc (VulDB User) VulDB CNA Team