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8.9
CVE-2026-18614: GL-iNet GL-MT3000: Malicious Commands Can Be Injected Remotely
CVE-2026-18614 · published 1 month ago
Summary
A security issue in the GL-iNet GL-MT3000 router allows an attacker to inject malicious commands. This could potentially allow the attacker to access and control the router. We recommend that you update your router to the latest version to fix this issue.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| gl-inet | gl-mt3000 | 4.4.0 |
Original advisory text
GL-iNet GL-MT3000 s2s.so Native Plugin glc s2s.enable_echo_server command injection
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.
References
- https://vuldb.com/vuln/385534 vdb-entry technical-description
- https://vuldb.com/vuln/385534/cti signature permissions-required
- https://vuldb.com/cve/CVE-2026-18614 third-party-advisory
- https://vuldb.com/submit/851558 third-party-advisory
- https://github.com/StrTzz123/iot_vul/blob/main/GL-iNet/MT3000/4.4.5/s2s_enable_e... exploit
Severity
8.9
High
CVSS 3.1: 9.8 (MITRE)
Exploitation
EPSS 4%
Type
CWE-77Command Injection
CWE-74Injection
Timeline
Published3 Aug 2026
Updated25 Sep 2026
First seen3 Aug 2026
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