by Kastro
Paper/Archive/CVE-2026-18601

CVE-2026-18601

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

EPSS 4%public exploitCVSS 9.8
critical.is priorityof 100
57
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 89.5.895 × 2017.9Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

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

ProductAffectedFixed inSource
GL-MT30004.4.0–CNA
GL-MT30004.4.1–CNA
GL-MT30004.4.2–CNA
GL-MT30004.4.3–CNA
GL-MT30004.4.4–CNA
GL-MT30004.4.5–CNA

Scores by source

VulDB (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
VulDB (CNA)9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
VulDB (CNA)9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
CISA ADPSSVCExploitation: poc · Automatable: yes · Technical impact: total

References

writeupvuldb.com/vuln/385516refvuldb.com/vuln/385516/ctiwriteupvuldb.com/cve/CVE-2026-18601writeupvuldb.com/submit/851540exploitgithub.com/StrTzz123/iot_vul/blob/main/GL-iNet/MT3000/4.4.5/ovpn_check_config_glc_rce/CVE.md