Vulnerability · Published Aug 3, 2026 · Assigned by VulDB
CVE-2026-18601GL.iNet GL-MT3000 ovpn-client.so Native Plugin glc ovpn-client.check_config 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. This impacts the function ovpn-client.check_config of the file /cgi-bin/glc of the component ovpn-client.so Native Plugin. Performing a manipulation of the argument filename results in command injection. Remote exploitation of the attack is possible. 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-385516 | GL.iNet GL-MT3000 ovpn-client.so Native Plugin glc ovpn-client.check_config command injection vdb-entry, technical-description
- VDB-385516 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-18601 | CVE Analysis and Report third-party-advisory
- Submit #851540 | 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/ovpn_check_config_glc_rce/CVE.md exploit