CVE-2026-18612: Command Injection in GL-iNet GL-MT3000
A command injection vulnerability exists in GL-iNet GL-MT3000 devices up to version 4.4.5. The flaw affects the plugins.remove_package and plugins.install_package functions in the /cgi-bin/glc component, allowing remote attackers to execute arbitrary commands. The vulnerability has a critical CVSS 4.0 score of 9.3 and has been confirmed by the vendor. Exploit code has been published, but no official patch or remediation has been disclosed yet.
AI Analysis
Technical Summary
CVE-2026-18612 is a critical command injection vulnerability in GL-iNet GL-MT3000 devices running firmware versions 4.4.0 through 4.4.5. The issue resides in the plugins.remove_package and plugins.install_package functions within the /cgi-bin/glc file of the plugins.so Native Plugin component. This flaw allows unauthenticated remote attackers to inject and execute arbitrary commands on the affected device. The vendor has acknowledged the vulnerability, and proof-of-concept exploit code is publicly available. No official fix or patch has been published at the time of this report.
Potential Impact
Successful exploitation of this vulnerability enables remote attackers to execute arbitrary commands on the affected device without authentication, potentially leading to full system compromise. Given the critical CVSS score of 9.3, the impact includes complete control over the device, which may affect network security and device integrity.
Mitigation Recommendations
No official patch or remediation has been announced by the vendor yet. Users should monitor the vendor's advisories for updates and apply any official fixes once available. Until then, restricting remote access to the affected functions and employing network-level protections may reduce exposure. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.
CVE-2026-18612: Command Injection in GL-iNet GL-MT3000
Description
A command injection vulnerability exists in GL-iNet GL-MT3000 devices up to version 4.4.5. The flaw affects the plugins.remove_package and plugins.install_package functions in the /cgi-bin/glc component, allowing remote attackers to execute arbitrary commands. The vulnerability has a critical CVSS 4.0 score of 9.3 and has been confirmed by the vendor. Exploit code has been published, but no official patch or remediation has been disclosed yet.
CVSS v4.0
Score 9.3critical
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-18612 is a critical command injection vulnerability in GL-iNet GL-MT3000 devices running firmware versions 4.4.0 through 4.4.5. The issue resides in the plugins.remove_package and plugins.install_package functions within the /cgi-bin/glc file of the plugins.so Native Plugin component. This flaw allows unauthenticated remote attackers to inject and execute arbitrary commands on the affected device. The vendor has acknowledged the vulnerability, and proof-of-concept exploit code is publicly available. No official fix or patch has been published at the time of this report.
Potential Impact
Successful exploitation of this vulnerability enables remote attackers to execute arbitrary commands on the affected device without authentication, potentially leading to full system compromise. Given the critical CVSS score of 9.3, the impact includes complete control over the device, which may affect network security and device integrity.
Mitigation Recommendations
No official patch or remediation has been announced by the vendor yet. Users should monitor the vendor's advisories for updates and apply any official fixes once available. Until then, restricting remote access to the affected functions and employing network-level protections may reduce exposure. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-08-03T07:33:17.223Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a70eb6dbf32cb7a3411f2b4
Added to database: 08/03/2026, 19:26:37 UTC
Last enriched: 08/03/2026, 19:27:06 UTC
Last updated: 08/03/2026, 19:27:06 UTC
Views: 1
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