CVE-2023-27796: Ruijienetworks Rg-EW1200G Pro Firmware

High severity, CVSS 8.8. EPSS: 2.3% chance of exploitation in the next 30 days.

RG-EW1200G PRO Wireless Routers EW_3.0(1)B11P204, RG-EW1800GX PRO Wireless Routers EW_3.0(1)B11P204, and RG-EW3200GX PRO Wireless Routers EW_3.0(1)B11P204 were discovered to contain multiple command injection vulnerabilities via the data.ip, data.protocal, data.iface and data.package parameters in the runPackDiagnose function of diagnose.lua.

Affected products

• Ruijienetworks Rg-EW1200G Pro Firmware: version ew_3.0(1)b11p204 only
• Ruijienetworks Rg-EW1800GX Pro Firmware: version ew_3.0(1)b11p204 only
• Ruijienetworks Rg-EW3200GX Pro Firmware: version ew_3.0(1)b11p204 only

Published 2023-03-26. Last modified 2026-06-17.