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CVE-2026-12187

HIGH
8.8
CVSS Severity Score
EPSS Score0.1310%
EPSS Percentile6.48th
PublishedJun 14, 2026
Last ModifiedJun 14, 2026

Vulnerability Description

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 Platforms (CPE)

No CPE configurations currently published for this record.

References & Advisories

🔗 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

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