What’s Vulnerable › Vulnerabilities

CVE-2026-18601: GL.iNet GL-MT3000 ovpn-client.so Native Plugin glc ovpn-client.check_config command injection

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-03 · updated 2026-10-23
• Weakness: CWE-74

Description

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.

Affected products

• GL.iNet GL-MT3000: 4.4.0, 4.4.1, 4.4.2, 4.4.3, 4.4.4, 4.4.5

References

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

Get alerted when CVE-2026-18601 or the next vulnerability affects your stack