CVE-2025-56091: Ruijie Rg-EW1800GX Firmware

High severity, CVSS 8.8. EPSS: 2.9% chance of exploitation in the next 30 days.

OS Command Injection vulnerability in Ruijie RG-EW1800GX B11P226_EW1800GX_10223121 allowing attackers to execute arbitrary commands via a crafted POST request to the module_set in file /usr/local/lua/dev_config/config_retain.lua.

Affected products

• Ruijie Rg-EW1800GX Firmware: version 3.0(1)b11p226 only
• Ruijie Rg-EW300R Firmware: version 3.0(1)b11p301 only

Published 2025-12-11. Last modified 2026-06-17.