Vulnerability · Published Aug 3, 2026 · Assigned by VulDB
CVE-2026-18614GL-iNet GL-MT3000 s2s.so Native Plugin glc s2s.enable_echo_server command injection
Critical 9.8
In plain English
A critical-severity command injection in GL-MT3000 from GL-iNet. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 3.6% (higher than 90% of all known vulnerabilities).
Official description
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.
Affected products (as reported)
Weakness: CWE-77, CWE-74 · Vector: 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
References
- VDB-385534 | GL-iNet GL-MT3000 s2s.so Native Plugin glc s2s.enable_echo_server command injection vdb-entry, technical-description
- VDB-385534 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-18614 | CVE Analysis and Report third-party-advisory
- Submit #851558 | GL-iNet GL-MT3000 4.4.5 Command Injection third-party-advisory
- https://github.com/StrTzz123/iot_vul/blob/main/GL-iNet/MT3000/4.4.5/s2s_enable_echo_server_glc_rce/CVE.md exploit