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TI-2026-09843 Aliases CVE-2026-11406GHSA-6qr8-c78q-5fg9

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

Priority MEDIUM 57CWE-74Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
Low · Low · Low
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-77.

Summary

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."

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.01353 71st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed MT3000 (GL.iNet): 4.9.0_beta3-1012-0513-1778656146

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
GL.iNetMT30004.4.0; 4.4.1; 4.4.2; 4.4.3; 4.4.4; 4.4.54.9.0_beta3-1012-0513-1778656146Patch availableCNA
  • MT3000 VendorGL.iNet Affected 4.4.0; 4.4.1; 4.4.2; 4.4.3; 4.4.4; 4.4.5 Fixed in 4.9.0_beta3-1012-0513-1778656146 Patch available CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:o:gl-inet:mt3000_firmware:*:*:*:*:*:*:*:*——GL.iNet
  • cpe:2.3:o:gl-inet:mt3000_firmware:*:*:*:*:*:*:*:* Versions — — ·GL.iNet

Remediation

  • Fix · CNA MT3000 (GL.iNet) Fixed in 4.9.0_beta3-1012-0513-1778656146

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-11406
  2. 2026-10-03 Alias added: GHSA-6qr8-c78q-5fg9

References

Exploit 1

Patch 1

  • TI-2026-21387 GL-iNet GL-AR300M16 v4.3.11 was discovered to contain a command injection vulnerability… CVSS 3.1CRITICAL 9.8
  • TI-2024-26219 GL-iNet products AR750/AR750S/AR300M/AR300M16/MT300N-V2/B1300/MT1300/SFT1200/X750… CVSS 3.1CRITICAL 9.8
  • TI-2023-27815 An issue was discovered on GL.iNet devices before version 4.5.0. CVSS 3.1CRITICAL 9.8
  • TI-2023-15082 An issue was discovered on GL.iNet devices before 3.216. CVSS 3.1CRITICAL 9.8
  • TI-2023-14015 GL.iNET MT3000 4.1.0 Release 2 is vulnerable to OS Command Injection via /usr/lib/oui-httpd/rpc/logread. CVSS 3.1CRITICAL 9.8
  • TI-2026-15312 GL.iNet GL-MT3000 nas-web RPC Wrapper glc nas-web.add_user command injection CVSS 4.0CRITICAL 9.3
See all 92 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences