CVE-2026-11452: Command Injection in GL.iNet GL-MT3000
CVE-2026-11452 is a command injection vulnerability in the GL. iNet GL-MT3000 router firmware versions up to 4. 4. 5. The flaw exists in the SET_USER_PWD handler within the /cgi-bin/glc component, where manipulation of the Password argument can lead to command injection. The vulnerability can be exploited remotely without authentication. The vendor has addressed this issue in firmware version 4. 8. 1 by properly escaping single quotes and preventing command substitution payloads from executing.
AI Analysis
Technical Summary
This vulnerability affects the GL.iNet GL-MT3000 router firmware up to version 4.4.5 in the function FUN_0042e200 of the /cgi-bin/glc component's SET_USER_PWD handler. An attacker can remotely inject commands by manipulating the Password parameter. The vendor's fix in version 4.8.1 escapes single quotes in the password parameter and prevents command substitution techniques such as $() or backticks from executing, effectively mitigating the issue.
Potential Impact
Successful exploitation allows an unauthenticated remote attacker to execute arbitrary commands on the affected device, potentially leading to full compromise of the router. The CVSS 4.0 base score is 6.9 (medium severity), reflecting the network attack vector, lack of required privileges or user interaction, and limited confidentiality, integrity, and availability impacts.
Mitigation Recommendations
Upgrade affected GL.iNet GL-MT3000 devices to firmware version 4.8.1 or later, where the vulnerability is fixed. The vendor confirms that the fix escapes single quotes and blocks command substitution payloads, preventing exploitation. No additional mitigations are indicated by the vendor advisory.
CVE-2026-11452: Command Injection in GL.iNet GL-MT3000
Description
CVE-2026-11452 is a command injection vulnerability in the GL. iNet GL-MT3000 router firmware versions up to 4. 4. 5. The flaw exists in the SET_USER_PWD handler within the /cgi-bin/glc component, where manipulation of the Password argument can lead to command injection. The vulnerability can be exploited remotely without authentication. The vendor has addressed this issue in firmware version 4. 8. 1 by properly escaping single quotes and preventing command substitution payloads from executing.
CVSS v4.0
Score 6.9medium
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects the GL.iNet GL-MT3000 router firmware up to version 4.4.5 in the function FUN_0042e200 of the /cgi-bin/glc component's SET_USER_PWD handler. An attacker can remotely inject commands by manipulating the Password parameter. The vendor's fix in version 4.8.1 escapes single quotes in the password parameter and prevents command substitution techniques such as $() or backticks from executing, effectively mitigating the issue.
Potential Impact
Successful exploitation allows an unauthenticated remote attacker to execute arbitrary commands on the affected device, potentially leading to full compromise of the router. The CVSS 4.0 base score is 6.9 (medium severity), reflecting the network attack vector, lack of required privileges or user interaction, and limited confidentiality, integrity, and availability impacts.
Mitigation Recommendations
Upgrade affected GL.iNet GL-MT3000 devices to firmware version 4.8.1 or later, where the vulnerability is fixed. The vendor confirms that the fix escapes single quotes and blocks command substitution payloads, preventing exploitation. No additional mitigations are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-06-06T10:33:24.201Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a24eda5e29bf47b50792da5
Added to database: 6/7/2026, 4:03:49 AM
Last enriched: 6/7/2026, 4:18:29 AM
Last updated: 6/7/2026, 5:14:58 AM
Views: 4
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