RCE in Ruijienetworks Reyeeos

CVE-2021-43163

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.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.020 (78.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-43163?
CVE-2021-43163 is a critical-severity vulnerability in Ruijienetworks Reyeeos, classified under Command Injection. CVSS score: 9.8/10. Published 2022-05-04.
How severe is CVE-2021-43163?
Critical severity. CVSS v3 base score is 9.8 out of 10.