CVE-2026-18601CWE-74CWE-77command-injection

CVE-2026-18601

Critical · published August 3, 2026

CVSS v3.1
9.8
EPSS
4%
Percentile
89.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.03616 · 89.5th percentile
Weaknesses
CWE-74 · Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection'); CWE-77 · Improper Neutralization of Special Elements used in a Command ('Command Injection')
Published
2026-08-03T18:16Z
References (5)
https://github.com/StrTzz123/iot_vul/blob/main/GL-iNet/MT3000/4.4.5/ovpn_check_config_glc_rce/CVE.md · [email protected]https://vuldb.com/cve/CVE-2026-18601 · [email protected]https://vuldb.com/submit/851540 · [email protected]https://vuldb.com/vuln/385516 · [email protected]https://vuldb.com/vuln/385516/cti · [email protected]
EPSS history
Timeline
  • 03 AUG 13:15Z
    GL.iNet GL-MT3000 ovpn-client.so Native Plugin glc ovpn-client.check_config command injection
    cvelistv5