CVE-2021-43163: Ruijienetworks Reyeeos

Critical severity, CVSS 9.8. EPSS: 2.1% 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 checkNet function in /cgi-bin/luci/api/auth.

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.