CVE-2021-43164
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.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 35.0%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
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
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 35.03% probability · 98th percentile
- Public exploits
- 1 in Exploit-DB · first 11 May 2022
- CISA KEV
- Not listed
- Weakness
- CWE-78
- Affected
- ruijienetworks/reyeeos
- Source
- cve@mitre.org
EPSS 35.0% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://packetstormsecurity.com/files/167099/Ruijie-Reyee-Mesh-Router-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- https://seclists.org/fulldisclosure/2022/May/0Mailing List, Third Party Advisory
- http://packetstormsecurity.com/files/167099/Ruijie-Reyee-Mesh-Router-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- https://seclists.org/fulldisclosure/2022/May/0Mailing List, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.