GL.iNet MT3000 up to 4.4.5 OpenVPN Client Import Workflow ovpnclient.sh command injection

Summaryinfo

A vulnerability labeled as critical has been found in GL.iNet MT3000 up to 4.4.5. This issue affects some unknown processing of the file ovpnclient.sh of the component OpenVPN Client Import Workflow. Such manipulation leads to command injection. This vulnerability is documented as CVE-2026-11406. The attack can be executed remotely. Additionally, an exploit exists. The affected component should be upgraded. 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."

Detailsinfo

A vulnerability, which was classified as critical, has been found in GL.iNet MT3000 up to 4.4.5. Affected by this issue is an unknown part of the file ovpnclient.sh of the component OpenVPN Client Import Workflow. The manipulation with an unknown input leads to a command injection vulnerability. Using CWE to declare the problem leads to CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability.

The advisory is available at github.com. This vulnerability is handled as CVE-2026-11406. The exploitation is known to be easy. The attack may be launched remotely. Technical details as well as a public exploit are known. This vulnerability is assigned to T1202 by the MITRE ATT&CK project.

The exploit is available at github.com. It is declared as proof-of-concept. 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."

Upgrading to version 4.9.0_beta3-1012-0513-1778656146 eliminates this vulnerability. The upgrade is hosted for download at fw.gl-inet.cn.

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Productinfo

Vendor

• GL.iNet

Name

• MT3000

Version

• 4.4.0
• 4.4.1
• 4.4.2
• 4.4.3
• 4.4.4
• 4.4.5

CPE 2.3info

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CPE 2.2info

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Exploitinginfo

Threat Intelligenceinfo

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Submitinfo

Accepted

• Submit #820049: GL.iNet MT3000 4.4.5 Command Injection (by strforexc)

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