CVE-2021-43164

8.8 highEPSS 35%

High (8.8) in ruijienetworks reyeeos. 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.

Severity

CVSS 3.1

8.8 high

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 35% chance of exploitation in the next 30 days; higher than 98% of CVEs (scores of 2026-10-31)
CWE: CWE-78
Published: 2022-05-04
Modified: 2026-07-09
Record from: the NVD, synced 2026-10-19

Affected

ruijienetworks:reyeeos

References

http://packetstormsecurity.com/files/167099/Ruijie-Reyee-Mesh-Router-Remote-Code-Execution.html
https://seclists.org/fulldisclosure/2022/May/0
http://packetstormsecurity.com/files/167099/Ruijie-Reyee-Mesh-Router-Remote-Code-Execution.html
https://seclists.org/fulldisclosure/2022/May/0

Check your stack JSON