CVE-2023-31476: Gl-Inet Gl-MV1000 Firmware

High severity, CVSS 7.5. EPSS: 0.8% chance of exploitation in the next 30 days.

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 directory is /www).

Affected products

  • Gl-Inet Gl-MV1000 Firmware: up to and including 3.215
  • Gl-Inet Gl-MV1000W Firmware: up to and including 3.215

Published 2023-05-09. Last modified 2026-06-17.