CVE-2023-31471: Gl-Inet Gl-a1300 Firmware

Critical severity, CVSS 9.8. EPSS: 1.1% chance of exploitation in the next 30 days.

An issue was discovered on GL.iNet devices before 3.216. Through the software installation feature, it is possible to install arbitrary software, such as a reverse shell, because the restrictions on the available package list are limited to client-side verification. It is possible to install software from the filesystem, the package list, or a URL.

Affected products

Gl-Inet Gl-a1300 Firmware: before 3.216 (fixed in 3.216)
Gl-Inet Gl-AP1300 Firmware: before 3.216 (fixed in 3.216)
Gl-Inet Gl-AP1300LTE Firmware: before 3.216 (fixed in 3.216)
Gl-Inet Gl-AR300M Firmware: before 3.216 (fixed in 3.216)
Gl-Inet Gl-AR750 Firmware: before 3.216 (fixed in 3.216)
Gl-Inet Gl-AR750S Firmware: before 3.216 (fixed in 3.216)
Gl-Inet Gl-AX1800 Firmware: before 3.216 (fixed in 3.216)
Gl-Inet Gl-AXT1800 Firmware: before 3.216 (fixed in 3.216)
Gl-Inet Gl-b1300 Firmware: before 3.216 (fixed in 3.216)
Gl-Inet Gl-b2200 Firmware: before 3.216 (fixed in 3.216)
Gl-Inet Gl-e750 Firmware: before 3.216 (fixed in 3.216)
Gl-Inet Gl-Mifi Firmware: before 3.216 (fixed in 3.216)
Gl-Inet Gl-MT1300 Firmware: before 3.216 (fixed in 3.216)
Gl-Inet Gl-MT2500 Firmware: before 3.216 (fixed in 3.216)
Gl-Inet Gl-MT2500A Firmware: before 3.216 (fixed in 3.216)
Gl-Inet Gl-MT3000 Firmware: before 3.216 (fixed in 3.216)
Gl-Inet Gl-MT300N-v2 Firmware: before 3.216 (fixed in 3.216)
Gl-Inet Gl-MV1000 Firmware: before 3.216 (fixed in 3.216)
Gl-Inet Gl-MV1000W Firmware: before 3.216 (fixed in 3.216)
Gl-Inet Gl-s10 Firmware: before 3.216 (fixed in 3.216)
Gl-Inet Gl-s1300 Firmware: before 3.216 (fixed in 3.216)
Gl-Inet Gl-s200 Firmware: before 3.216 (fixed in 3.216)
Gl-Inet Gl-s20 Firmware: before 3.216 (fixed in 3.216)
Gl-Inet Gl-SF1200 Firmware: before 3.216 (fixed in 3.216)
Gl-Inet Gl-SFT1200 Firmware: before 3.216 (fixed in 3.216)
and 7 more

Published 2023-05-10. Last modified 2026-06-17.