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8.9
CVE-2026-18615: GL-iNet GL-MT3000 public key generator command injection
CVE-2026-18615 · published 1 month ago
Summary
The public key generator in GL-iNet GL-MT3000 devices up to version 4.4.5 can be tricked into running malicious code. This could allow an attacker to take control of the device remotely. GL-iNet has been informed of this issue and may release a fix.
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
A vulnerability was determined in GL-iNet GL-MT3000 up to 4.4.5. The affected element is the function wg-server.generate_publickey of the file /cgi-bin/glc of the component wg-server.so Native Plug...
A vulnerability was determined in GL-iNet GL-MT3000 up to 4.4.5. The affected element is the function wg-server.generate_publickey of the file /cgi-bin/glc of the component wg-server.so Native Plugin. Executing a manipulation of the argument private_key can lead to command injection. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure and confirmed the existence of the vulnerability.
References
- https://vuldb.com/vuln/385535 vdb-entry technical-description
- https://vuldb.com/vuln/385535/cti signature permissions-required
- https://vuldb.com/cve/CVE-2026-18615 third-party-advisory
- https://vuldb.com/submit/851566 third-party-advisory
- https://github.com/StrTzz123/iot_vul/blob/main/GL-iNet/MT3000/4.4.5/wg_generate_... 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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