Description
A security vulnerability has been detected in GL.iNet GL-MT3000 up to 4.4.5. Impacted is the function set_upgrade of the file /cgi-bin/glc of the component modem.so. Such manipulation leads to command injection. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure and confirmed the existence of the vulnerability.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| GL.iNet | GL-MT3000 | 4.4.0, 4.4.1, 4.4.2, 4.4.3, 4.4.4, 4.4.5 | — |
References
- VDB-385611 | GL.iNet GL-MT3000 modem.so glc set_upgrade command injection vdb-entry technical-description
- VDB-385611 | CTI Indicators (IOB, IOC, TTP, IOA) signature permissions-required
- CVE-2026-18685 | CVE Analysis and Report third-party-advisory
- Submit #851593 | GL.iNet MT3000 4.4.5 Command Injection third-party-advisory
- https://github.com/StrTzz123/iot_vul/tree/main/GL-iNet/MT3000/4.4.5/modem_set_upgrade_glc_rce exploit patch