CVE-2023-50921: Gl-Inet Gl-a1300 Firmware

Critical severity, CVSS 9.8. EPSS: 0.5% chance of exploitation in the next 30 days.

An issue was discovered on GL.iNet devices through 4.5.0. Attackers can invoke the add_user interface in the system module to gain root privileges. This affects A1300 4.4.6, AX1800 4.4.6, AXT1800 4.4.6, MT3000 4.4.6, MT2500 4.4.6, MT6000 4.5.0, MT1300 4.3.7, MT300N-V2 4.3.7, AR750S 4.3.7, AR750 4.3.7, AR300M 4.3.7, and B1300 4.3.7.

Affected products

• Gl-Inet Gl-a1300 Firmware: version 4.4.6 only
• Gl-Inet Gl-AR300M Firmware: version 4.3.7 only
• Gl-Inet Gl-AR750 Firmware: version 4.3.7 only
• Gl-Inet Gl-AR750S Firmware: version 4.3.7 only
• Gl-Inet Gl-AX1800 Firmware: version 4.4.6 only
• Gl-Inet Gl-AXT1800 Firmware: version 4.4.6 only
• Gl-Inet Gl-b1300 Firmware: version 4.3.7 only
• Gl-Inet Gl-MT1300 Firmware: version 4.3.7 only
• Gl-Inet Gl-MT2500 Firmware: version 4.4.6 only
• Gl-Inet Gl-MT3000 Firmware: version 4.4.6 only
• Gl-Inet Gl-MT300N-v2 Firmware: version 4.3.7 only
• Gl-Inet Gl-MT6000 Firmware: version 4.5.0 only

Published 2024-01-03. Last modified 2026-06-17.