GL.iNet vulnerabilities
We track 55 vulnerabilities in GL.iNet products across 60+ products. 55 are rated high or critical, and none are known to be exploited. The most recent was published on August 17, 2026.
Latest GL.iNet vulnerabilities
- 7.5 High severity
mt1300: Exposure of Sensitive Information to an Unauthorized Actor
An issue was discovered on certain GL-iNet devices. Attackers can download files such as logs via commands, potentially obtaining critical user information. This affects MT6000 4.5.5, XE3000 4.4.4, X3000 4.4.5, MT3000 4.5.0, MT2500 4.5.0, AXT1800 4.5.0, AX1800
- 9.8 Critical severity
Gl-ax1800 Firmware: Improper Authentication
An issue was discovered on GL.iNet devices before version 4.5.0. There is an NGINX authentication bypass via Lua string pattern matching. 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
- 9.8 Critical severity
Gl-mt1300 Firmware: Improper Privilege Management
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, M
- 7.2 High severity
Gl-mt1300 Firmware: Unrestricted Upload of File with Dangerous Type
An issue was discovered on GL.iNet devices through 4.5.0. Attackers who are able to steal the AdminToken cookie can execute arbitrary code by uploading a crontab-formatted file to a specific directory and waiting for its execution. This affects A1300 4.4.6, AX
- 7.8 High severity
AX1800: Improper Neutralization of Special Elements used in an OS Command
Shell Injection vulnerability GL.iNet A1300 v4.4.6, AX1800 v4.4.6, AXT1800 v4.4.6, MT3000 v4.4.6, MT2500 v4.4.6, MT6000 v4.5.0, MT1300 v4.3.7, MT300N-V2 v4.3.7, AR750S v4.3.7, AR750 v4.3.7, AR300M v4.3.7, and B1300 v4.3.7., allows local attackers to execute ar
- 9.8 Critical severity
Gl-ar300m Firmware: Improper Neutralization of Special Elements in Output Used by a Downstream Component
In GL.iNET GL-AR300M routers with firmware 3.216 it is possible to inject arbitrary shell commands through the OpenVPN client file upload functionality.
- 7.5 High severity
AR300M: Improper Limitation of a Pathname to a Restricted Directory
In GL.iNET GL-AR300M routers with firmware v4.3.7 it is possible to write arbitrary files through a path traversal attack in the OpenVPN client file upload functionality.
- 9.8 Critical severity
Gl-ar300m Firmware: Improper Neutralization of Special Elements used in an OS Command
In GL.iNET GL-AR300M routers with firmware v4.3.7, it is possible to inject arbitrary shell commands through a crafted package name in the package information functionality.
- 8.8 High severity
Gl-ax1800 Firmware: Improper Limitation of a Pathname to a Restricted Directory
Insecure Permissions vulnerability in GL.iNet AX1800 version 4.0.0 before 4.5.0 allows a remote attacker to execute arbitrary code via the upload API function.
- 9.8 Critical severity
gl-ax1800_firmware: Improper Preservation of Permissions
Insecure Permissions vulnerability in GL.iNet AX1800 version 4.0.0 before 4.5.0 allows a remote attacker to execute arbitrary code via a crafted script to the gl_nas_sys authentication function.
- 9.8 Critical severity
Gl-ax1800 Firmware: Incorrect Default Permissions
Insecure Permissions vulnerability in GL.iNet AX1800 v.3.215 and before allows a remote attacker to execute arbitrary code via the file sharing function.
- 9.8 Critical severity
Gl-s20 Firmware: Buffer Copy without Checking Size of Input
An issue was discovered on GL.iNet devices before 3.216. The function guci2_get() found in libglutil.so has a buffer overflow when an item is requested from a UCI context, and the value is pasted into a char pointer to a buffer without checking the size of the
- 7.5 High severity
Gl-s20 Firmware: Improper Limitation of a Pathname to a Restricted Directory
A path traversal issue was discovered on GL.iNet devices before 3.216. Through the file sharing feature, it is possible to share an arbitrary directory, such as /tmp or /etc, because there is no server-side restriction to limit sharing to the USB path.
- 7.5 High severity
Gl-s20 Firmware: Allocation of Resources Without Limits or Throttling
An issue was discovered on GL.iNet devices before 3.216. There is an arbitrary file write in which an empty file can be created anywhere on the filesystem. This is caused by a command injection vulnerability with a filter applied.
- 7.5 High severity
Gl-mv1000w Firmware: Improper Neutralization of Special Elements used in a Command
An issue was discovered on GL.iNet devices running firmware before 3.216. There is an arbitrary file write in which an empty file can be created almost anywhere on the filesystem, as long as the filename and path is no more than 6 characters (the working direc