CVE-2026-18601
GL.iNet GL-MT3000 ovpn-client.so Native Plugin glc ovpn-client.check_config command injection
- State
- Published
- Severity
- 9.3 Critical
- Published
- Aug 3, 2026
- Updated
- Aug 3, 2026
- Reserved
- Aug 3, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 9.3 Critical | 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 | VulDB |
| 3.1 | 9.8 Critical | 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 | VulDB |
| 3.0 | 9.8 Critical | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 2.0 | 10.0 High | AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:C | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
GL-MT3000GL.iNet |
|
References
- VDB-385516 | GL.iNet GL-MT3000 ovpn-client.so Native Plugin glc ovpn-client.check_config command injectionvdb-entrytechnical-description
- VDB-385516 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- CVE-2026-18601 | CVE Analysis and Reportthird-party-advisory
- Submit #851540 | GL.iNet GL-MT3000 4.4.5 Command Injectionthird-party-advisory
- https://github.com/StrTzz123/iot_vul/blob/main/GL-iNet/MT3000/4.4.5/ovpn_check_config_glc_rce/CVE.mdexploit
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