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PatchSiren cyber security CVE debrief

CVE-2026-11406 GL.iNet CVE debrief

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.'

Vendor
GL.iNet
Product
MT3000
CVSS
LOW 2.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-06
Original CVE updated
2026-06-08
Advisory published
2026-06-06
Advisory updated
2026-06-08

Who should care

Users of GL.iNet MT3000 up to version 4.4.5

Technical summary

The vulnerability is located in the ovpnclient.sh file of the OpenVPN Client Import Workflow. It allows for command injection, which can be exploited remotely.

Defensive priority

Low

Recommended defensive actions

  • Upgrade to version 4.9.0_beta3-1012-0513-1778656146 or later
  • Implement additional security measures to monitor and restrict access to the OpenVPN Client Import Workflow

Evidence notes

The vendor confirms that the issue has been addressed in version 4.9.0_beta3-1012-0513-1778656146.

Official resources

Publicly disclosed