Vulnerability · Published Jun 6, 2026 · Assigned by VulDB

CVE-2026-11406GL.iNet MT3000 OpenVPN Client Import Workflow ovpnclient.sh command injection

Medium 6.3

In plain English

A medium-severity command injection in MT3000 from GL.iNet. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 72% of all known vulnerabilities).

Severity (CVSS 3.1)6.3Medium

Exploit odds (30 days)1.4%top 28.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official 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."

Affected products (as reported)

Vendor	Product	Versions
GL.iNet	MT3000	4.4.04.4.14.4.24.4.34.4.44.4.5

Weakness: CWE-77, CWE-74 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

References

VDB-368966 | GL.iNet MT3000 OpenVPN Client Import Workflow ovpnclient.sh command injection vdb-entry
VDB-368966 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
CVE-2026-11406 | CVE Analysis and Report third-party-advisory
Submit #820049 | GL.iNet MT3000 4.4.5 Command Injection third-party-advisory
https://github.com/StrTzz123/iot_vul/tree/main/GL-iNet/MT3000/4.4.5/ovpn_client_import exploit
https://fw.gl-inet.cn/firmware/mt3000/testing/mt3000-4.9.0_beta3-1012-0513-1778656146.tar patch