by Kastro
Paper/Archive/CVE-2026-18614

CVE-2026-18614

GL-iNet GL-MT3000 — GL-iNet GL-MT3000 s2s.so Native Plugin glc s2s.enable_echo_server 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. Impacted is the function s2s.enable_echo_server of the file /cgi-bin/glc of the component s2s.so Native Plugin. Performing a manipulation of the argument port results in command injection. The attack may be initiated remotely. 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/385534refvuldb.com/vuln/385534/ctiwriteupvuldb.com/cve/CVE-2026-18614writeupvuldb.com/submit/851558exploitgithub.com/StrTzz123/iot_vul/blob/main/GL-iNet/MT3000/4.4.5/s2s_enable_echo_server_glc_rce/CVE.md