CVE-2026-18601

CRITICAL 9.8

GL.iNet GL-MT3000 ovpn-client.so Native Plugin glc ovpn-client.check_config command injection

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

A vulnerability was found in GL.iNet GL-MT3000 up to 4.4.5. This impacts the function ovpn-client.check_config of the file /cgi-bin/glc of the component ovpn-client.so Native Plugin. Performing a manipulation of the argument filename results in command injection. Remote exploitation of the attack is possible. The exploit has been made public and could be used. The vendor was contacted early about this disclosure and confirmed the existence of the vulnerability.

CWE	CWE-77 CWE-74
Vendor	gl.inet
Product	gl-mt3000
Published	Aug 3, 2026

Stay Ahead of the Next One

Get instant alerts for gl.inet gl-mt3000

Be the first to know when new critical vulnerabilities affecting gl.inet gl-mt3000 are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

GL.iNet / GL-MT3000

4.4.0 4.4.1 4.4.2 4.4.3 4.4.4 4.4.5

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/385516 vuldb.com: https://vuldb.com/vuln/385516/cti vuldb.com: https://vuldb.com/cve/CVE-2026-18601 vuldb.com: https://vuldb.com/submit/851540 github.com: https://github.com/StrTzz123/iot_vul/blob/main/GL-iNet/MT3000/4.4.5/ovpn_check_config_glc_rce/CVE.md

Credits

🔍 strforexc (VulDB User) VulDB CNA Team