CVE-2026-18602: Command Injection in GL.iNet GL-MT3000
A vulnerability was determined in GL.iNet GL-MT3000 up to 4.4.5. Affected is the function ovpn-client.get_recommend_config of the file /cgi-bin/glc of the component ovpn-client.so Native Plugin. Executing a manipulation of the argument Hostname can lead to command injection. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure and confirmed the existence of the vulnerability.
AI Analysis
Technical Summary
CVE-2026-18602 is a critical command injection vulnerability affecting GL.iNet GL-MT3000 devices running firmware versions 4.4.0 through 4.4.5. The flaw exists in the ovpn-client.get_recommend_config function within the ovpn-client.so native plugin, specifically in the /cgi-bin/glc component. An attacker can remotely exploit this vulnerability by manipulating the Hostname argument, leading to arbitrary command execution on the device. The vendor has confirmed the vulnerability, and it has been publicly disclosed. No official patch or remediation level has been provided in the available data.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary commands on affected GL.iNet GL-MT3000 devices, potentially leading to full system compromise. The vulnerability does not require privileges or user interaction and has a high impact on confidentiality, integrity, and availability as indicated by the CVSS 9.3 score.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict access to the affected device's management interfaces to trusted networks only and monitor for suspicious activity related to the ovpn-client.get_recommend_config function. Avoid exposing the device's CGI interface to untrusted networks.
CVE-2026-18602: Command Injection in GL.iNet GL-MT3000
Description
A vulnerability was determined in GL.iNet GL-MT3000 up to 4.4.5. Affected is the function ovpn-client.get_recommend_config of the file /cgi-bin/glc of the component ovpn-client.so Native Plugin. Executing a manipulation of the argument Hostname can lead to command injection. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure and confirmed the existence of the vulnerability.
CVSS v4.0
Score 9.3critical
Affected software
pkg:github/gl.inet/GL-MT3000Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-18602 is a critical command injection vulnerability affecting GL.iNet GL-MT3000 devices running firmware versions 4.4.0 through 4.4.5. The flaw exists in the ovpn-client.get_recommend_config function within the ovpn-client.so native plugin, specifically in the /cgi-bin/glc component. An attacker can remotely exploit this vulnerability by manipulating the Hostname argument, leading to arbitrary command execution on the device. The vendor has confirmed the vulnerability, and it has been publicly disclosed. No official patch or remediation level has been provided in the available data.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary commands on affected GL.iNet GL-MT3000 devices, potentially leading to full system compromise. The vulnerability does not require privileges or user interaction and has a high impact on confidentiality, integrity, and availability as indicated by the CVSS 9.3 score.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict access to the affected device's management interfaces to trusted networks only and monitor for suspicious activity related to the ovpn-client.get_recommend_config function. Avoid exposing the device's CGI interface to untrusted networks.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-08-03T06:55:27.087Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a70bf62bf32cb7a34daf14e
Added to database: 08/03/2026, 16:18:42 UTC
Last enriched: 08/03/2026, 16:33:35 UTC
Last updated: 08/03/2026, 20:04:09 UTC
Views: 6
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