CVE-2021-43164: Ruijienetworks Reyeeos

High severity, CVSS 8.8. EPSS: 35% chance of exploitation in the next 30 days.

A Remote Code Execution (RCE) vulnerability exists in Ruijie Networks Ruijie RG-EW Series Routers up to ReyeeOS 1.55.1915 / EW_3.0(1)B11P55 via the updateVersion function in /cgi-bin/luci/api/wireless.

Affected products

• Ruijienetworks Reyeeos: up to and including 1.55.1915_ew_3.0\(1\)b11p55

Published 2022-05-04. Last modified 2026-07-09.