CVE-2026-12187

HIGH EPSS 77.6%
Published Jun 14, 20262w ago · Modified Jun 17, 20261w ago
7.4 CVSS 4.0
High
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Published Jun 14, 2026 2w ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
7.4
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
77.6% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 2

CWE-74
CWE-77 Command Injection Injection

References 6

  • fw.gl-inet.com https://fw.gl-inet.com/firmware/mt3000/release/mt3000-4.8.1-0819-1755615825.tar
  • github.com https://github.com/StrTzz123/iot_vul/tree/main/GL-iNet/MT3000/4.4.5/upgrade_online_url
  • vuldb.com https://vuldb.com/cve/CVE-2026-12187
  • vuldb.com https://vuldb.com/submit/815654
  • vuldb.com https://vuldb.com/vuln/370833
  • vuldb.com https://vuldb.com/vuln/370833/cti

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.