CVE-2025-56122: Ruijie Rg-EW1800GX Firmware

High severity, CVSS 8.8. EPSS: 2.6% chance of exploitation in the next 30 days.

OS Command Injection vulnerability in Ruijie RG-EW1800GX PRO B11P226_EW1800GX-PRO_10223117 allowing attackers to execute arbitrary commands via a crafted POST request to the module_get in file /usr/local/lua/dev_sta/networkConnect.lua.

Affected products

• Ruijie Rg-EW1800GX Firmware: version 3.0(1)b11p226 only
• Ruijie Rg-EW1800GX Pro Firmware: version 1.022.3117 only
• Ruijie Rg-EW300N Firmware: version 3.0(1)b11p300 only

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