CVE-2025-67091

MEDIUM
2026-01-08 [email protected]
Authentication Bypass Ax1800 Firmware
6.5
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
PoC Detected
Jan 16, 2026 - 21:28 vuln.today
Public exploit code
CVE Published
Jan 08, 2026 - 16:15 nvd
MEDIUM 6.5

DescriptionNVD

An issue in GL Inet GL.Inet AX1800 Version 4.6.4 & 4.6.8 are vulnerable. GL.Inet AX1800 Version 4.6.4 & 4.6.8 in the GL.iNet custom opkg wrapper script located at /usr/libexec/opkg-call. The script is executed with root privileges when triggered via the LuCI web interface or authenticated API calls to manage packages. The vulnerable code uses shell redirection to create a lock file in the world-writable /tmp directory.

AnalysisAI

Ax1800 Firmware versions up to 4.2.0 is affected by improper restriction of excessive authentication attempts (CVSS 6.5).

Technical ContextAI

This vulnerability (CWE-307: Improper Restriction of Excessive Authentication Attempts) exists in the LuCI web component. in GL Inet GL.Inet AX1800 Version 4.6.4 & 4.6.8 are vulnerable. GL.Inet AX1800 Version 4.6.4 & 4.6.8 in the GL.iNet custom opkg wrapper script located at /usr/libexec/opkg-call. The script is executed with root privileges when triggered via the LuCI web interface or authenticated API calls to manage packages. The vulnerable code uses shell redirection to create a lock file in the world-writable /tmp directory.

RemediationAI

Monitor vendor advisories for a patch.

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CVE-2025-67091 vulnerability details – vuln.today
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