CVE-2026-11406: Command Injection in GL.iNet MT3000
A vulnerability was determined in GL.iNet MT3000 up to 4.4.5. This vulnerability affects unknown code of the file ovpnclient.sh of the component OpenVPN Client Import Workflow. This manipulation causes command injection. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized. Upgrading to version 4.9.0_beta3-1012-0513-1778656146 is able to resolve this issue. You should upgrade the affected component. The vendor confirms: "This issue has been addressed by implementing malicious checks on OpenVPN configuration files to prevent command injection attacks carried through malicious configuration files."
AI Analysis
Technical Summary
CVE-2026-11406 is a command injection vulnerability in the GL.iNet MT3000 device affecting versions up to 4.4.5. The flaw exists in the ovpnclient.sh script within the OpenVPN Client Import Workflow, where insufficient validation of imported OpenVPN configuration files allows remote attackers to inject and execute arbitrary commands. The vulnerability is remotely exploitable without user interaction and has been publicly disclosed. The vendor fixed the issue by implementing validation checks on OpenVPN configuration files to block malicious inputs. The fixed version is 4.9.0_beta3-1012-0513-1778656146.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary commands on the affected device with limited privileges, potentially leading to partial compromise or disruption of the OpenVPN client functionality. The CVSS 4.0 base score is 5.3 (medium severity), reflecting network attack vector, low complexity, no user interaction, and limited scope and impact.
Mitigation Recommendations
Upgrade affected GL.iNet MT3000 devices from versions 4.4.0 through 4.4.5 to version 4.9.0_beta3-1012-0513-1778656146 or later. The vendor has implemented input validation on OpenVPN configuration files to prevent command injection attacks. Applying this update fully mitigates the vulnerability.
CVE-2026-11406: Command Injection in GL.iNet MT3000
Description
A vulnerability was determined in GL.iNet MT3000 up to 4.4.5. This vulnerability affects unknown code of the file ovpnclient.sh of the component OpenVPN Client Import Workflow. This manipulation causes command injection. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized. Upgrading to version 4.9.0_beta3-1012-0513-1778656146 is able to resolve this issue. You should upgrade the affected component. The vendor confirms: "This issue has been addressed by implementing malicious checks on OpenVPN configuration files to prevent command injection attacks carried through malicious configuration files."
CVSS v4.0
Score 5.3medium
Affected software
pkg:github/gl.inet/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-2026-11406 is a command injection vulnerability in the GL.iNet MT3000 device affecting versions up to 4.4.5. The flaw exists in the ovpnclient.sh script within the OpenVPN Client Import Workflow, where insufficient validation of imported OpenVPN configuration files allows remote attackers to inject and execute arbitrary commands. The vulnerability is remotely exploitable without user interaction and has been publicly disclosed. The vendor fixed the issue by implementing validation checks on OpenVPN configuration files to block malicious inputs. The fixed version is 4.9.0_beta3-1012-0513-1778656146.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary commands on the affected device with limited privileges, potentially leading to partial compromise or disruption of the OpenVPN client functionality. The CVSS 4.0 base score is 5.3 (medium severity), reflecting network attack vector, low complexity, no user interaction, and limited scope and impact.
Mitigation Recommendations
Upgrade affected GL.iNet MT3000 devices from versions 4.4.0 through 4.4.5 to version 4.9.0_beta3-1012-0513-1778656146 or later. The vendor has implemented input validation on OpenVPN configuration files to prevent command injection attacks. Applying this update fully mitigates the vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-06-05T18:26:22.054Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a23f084e29bf47b504c29e7
Added to database: 06/06/2026, 10:03:48 UTC
Last enriched: 06/14/2026, 09:38:21 UTC
Last updated: 07/31/2026, 19:22:57 UTC
Views: 109
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