Critical 9.8Published Aug 3, 2026

CVE-2026-18614GL-iNet GL-MT3000 s2s.so Native Plugin glc s2s.enable_echo_server command injection

Updated under an hour ago (2026-10-19 09:50 UTC)

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It affects GL-iNet GL-MT3000. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for GL-iNet GL-MT3000

Exploited in the last 30 days

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.

CVSS: 9.8 CRITICAL (v3.1, CNA)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
Weakness (CWE): CWE-77, CWE-74
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Deferred
Record last updated: Aug 3, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

GL-iNet GL-MT3000 gl-inet:gl-mt3000_firmware	4.4.0; 4.4.1; 4.4.2; 4.4.3; 4.4.4; 4.4.5	CNA record

References

https://vuldb.com/vuln/385534vdb-entry, technical-description
https://vuldb.com/vuln/385534/ctisignature, permissions-required
https://vuldb.com/cve/CVE-2026-18614third-party-advisory
https://vuldb.com/submit/851558third-party-advisory
https://github.com/StrTzz123/iot_vul/blob/main/GL-iNet/MT3000/4.4.5/s2s_enable_echo_server_glc_rce/CVE.mdexploit

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.