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8.9
CVE-2026-18601: GL.iNet GL-MT3000 VPN Plugin Allows Remote Command Execution
CVE-2026-18601 · published 1 month ago
Summary
The GL.iNet GL-MT3000's VPN plugin is vulnerable to a remote attack that could allow hackers to execute arbitrary commands. This is a serious issue because it could be exploited by anyone on the internet. GL.iNet has confirmed the vulnerability, and users should update their device to the latest version to fix the issue.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| gl.inet | gl-mt3000 | 4.4.0 |
Original advisory text
GL.iNet GL-MT3000 ovpn-client.so Native Plugin glc ovpn-client.check_config command injection
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.
References
- https://vuldb.com/vuln/385516 vdb-entry technical-description
- https://vuldb.com/vuln/385516/cti signature permissions-required
- https://vuldb.com/cve/CVE-2026-18601 third-party-advisory
- https://vuldb.com/submit/851540 third-party-advisory
- https://github.com/StrTzz123/iot_vul/blob/main/GL-iNet/MT3000/4.4.5/ovpn_check_c... exploit
Severity
8.9
High
CVSS 3.1: 9.8 (MITRE)
Exploitation
EPSS 4%
Type
CWE-77Command Injection
CWE-74Injection
Timeline
Published3 Aug 2026
Updated25 Sep 2026
First seen3 Aug 2026
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