CVE-2021-43164
HIGHCVSS 8.8/10EPSS 34.95%
Last modified
CVE-2021-43164 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 34.95% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Ruijienetworks | Reyeeos | <= 1.55.1915_ew_3.0\(1\)b11p55 |
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
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2021-43164?
CVE-2021-43164 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 34.95% probability of exploitation in the next 30 days.
How do I fix CVE-2021-43164?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-43164?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST