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Vulnerability record · CVE-2021-43164 · published 4 May 2022

CVE-2021-43164: Ruijienetworks reyeeos os command injection vulnerability

Ruijienetworks · Reyeeos

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.

8.8 CVSS 3.1 High EPSS 35% · top 1.6% CWE-78 · OS command injection
8.8CVSS 3.1 base score, v2 6.5
35%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
9 Jul 2026Last modified by NVD

Description

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://packetstormsecurity.com/files/167099/Ruijie-Reyee-Mesh-Router-Remote-Code-Execution.html ExploitThird Party AdvisoryVDB Entry
https://seclists.org/fulldisclosure/2022/May/0 Mailing ListThird Party Advisory
http://packetstormsecurity.com/files/167099/Ruijie-Reyee-Mesh-Router-Remote-Code-Execution.html ExploitThird Party AdvisoryVDB Entry
https://seclists.org/fulldisclosure/2022/May/0 Mailing ListThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-43164), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.