CVE-2021-43161: Command Injection

Published May 4, 2022
·
Updated

A Remote Code Execution (RCE) vulnerability exists in Ruijie Networks Ruijie RG-EW Series Routers up to ReyeeOS 1.55.1915 / EW3.0(1)B11P55 via the doSwitchApi function in /cgi-bin/luci/api/switch.

Affected Software

12 affected components
Ruijienetworks Reyeeos<=1.55.1915_ew_3.0\(1\)b11p55
Ruijienetworks Rg-ew1200
Ruijienetworks Rg-ew1200g Pro
Ruijienetworks Rg-ew1800gx Pro
Ruijienetworks Rg-ew300 Pro
Ruijienetworks Rg-ew3200gx Pro
All of the following
Ruijienetworks Reyeeos<=1.55.1915_ew_3.0\(1\)b11p55
Any of the following
Ruijienetworks Rg-ew1200
Ruijienetworks Rg-ew1200g Pro
Ruijienetworks Rg-ew1800gx Pro
Ruijienetworks Rg-ew300 Pro
Ruijienetworks Rg-ew3200gx Pro

Event History

May 4, 2022
CVE Published
via MITRE·12:08 AM
Data Sourced
via MITRE·12:08 AM
Description
Data Sourced
via NVD·01:15 AM
DescriptionSeverityWeaknessAffected Software
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is CVE-2021-43161?

CVE-2021-43161 is a Remote Code Execution (RCE) vulnerability in Ruijie Networks Ruijie RG-EW Series Routers up to ReyeeOS 1.55.1915 / EW_3.0(1)B11P55.

2

How severe is CVE-2021-43161?

CVE-2021-43161 has a severity score of 8.8 (high).

3

How does CVE-2021-43161 impact Ruijie Networks Ruijie RG-EW Series Routers?

CVE-2021-43161 allows remote attackers to execute arbitrary code via the doSwitchApi function in /cgi-bin/luci/api/switch.

4

Which software versions are affected by CVE-2021-43161?

CVE-2021-43161 affects Ruijie Networks Ruijie RG-EW Series Routers up to ReyeeOS 1.55.1915 / EW_3.0(1)B11P55.

5

Is Ruijie Networks Ruijie RG-EW1200 vulnerable to CVE-2021-43161?

No, Ruijie Networks Ruijie RG-EW1200 is not vulnerable to CVE-2021-43161.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203