CVE-2026-12187
A security vulnerability has been detected in GL.iNet GL-MT3000 up to 4.4.5.
Impact
A security vulnerability has been detected in GL.iNet GL-MT3000 up to 4.4.5. Affected by this vulnerability is an unknown functionality of the file /usr/bin/one_click_upgrade of the component Online Firmware Upgrade Handler. Such manipulation leads to command injection. The attack can be launched remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 4.7 addresses this issue. Upgrading the affected component is advised. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| GL.INet | GL.INet GL-MT3000 | before 4.4.5. |
Versions were read from the advisory text. No structured product data has been published for this record yet.
Weakness classification
References
- NVD record
- CVE.org record
- https://fw.gl-inet.com/firmware/mt3000/release/mt3000-4.8.1-0819-1755615825.tar
- https://github.com/StrTzz123/iot_vul/tree/main/GL-iNet/MT3000/4.4.5/upgrade_online_url
- https://vuldb.com/cve/CVE-2026-12187
- https://vuldb.com/submit/815654
- https://vuldb.com/vuln/370833
- https://vuldb.com/vuln/370833/cti