CVE-2026-11406 | THREATINT

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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.”

PUBLISHED Reserved 2026-06-05 | Published 2026-06-06 | Updated 2026-06-06 | Assigner VulDB

MEDIUM: 5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

MEDIUM: 6.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

MEDIUM: 6.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

6.5AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C

Problem types

Command Injection

Injection

Product status

4.4.0
affected

4.4.1
affected

4.4.2
affected

4.4.3
affected

4.4.4
affected

4.4.5
affected

4.9.0_beta3-1012-0513-1778656146
unaffected

Timeline

2026-06-05:	Advisory disclosed
2026-06-05:	VulDB entry created
2026-06-05:	VulDB entry last update

Credits

strforexc (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/368966 (VDB-368966 | GL.iNet MT3000 OpenVPN Client Import Workflow ovpnclient.sh command injection) vdb-entry

vuldb.com/vuln/368966/cti (VDB-368966 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/cve/CVE-2026-11406 (CVE-2026-11406 | CVE Analysis and Report) third-party-advisory

vuldb.com/submit/820049 (Submit #820049 | GL.iNet MT3000 4.4.5 Command Injection) third-party-advisory

github.com/…e/main/GL-iNet/MT3000/4.4.5/ovpn_client_import exploit

fw.gl-inet.cn/…mt3000-4.9.0_beta3-1012-0513-1778656146.tar patch

cve.org (CVE-2026-11406)

nvd.nist.gov (CVE-2026-11406)

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