CVE-2021-43164

HIGH

Ruijie ReyeeOS < 1.55.1915_ew_3.0(1)b11p55 - Remote Code Execution via updateVersion Function

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2021-43164. PoCs published by Minh Khoa.

AI-analyzed exploit summary This exploit leverages an authenticated command injection vulnerability in Ruijie Reyee Mesh Router's wireless API endpoint. It first authenticates using encrypted credentials, then injects a command via the 'updateVersion' method's 'jsonparam' field.

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.

Exploits (1)

exploitdb WORKING POC
by Minh Khoa · pythonremotehardware
https://www.exploit-db.com/exploits/50930

This exploit leverages an authenticated command injection vulnerability in Ruijie Reyee Mesh Router's wireless API endpoint. It first authenticates using encrypted credentials, then injects a command via the 'updateVersion' method's 'jsonparam' field.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Ruijie ReyeeOS 1.55.1915 - EW_3.0(1)B11P35 and EW_3.0(1)B11P55
Auth required
Prerequisites: valid credentials · network access to the target
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Not Applicable x_refsource_misc
http://ruijie.com
Mailing List, Third Party Advisory x_refsource_misc
https://seclists.org/fulldisclosure/2022/May/0

Scores

CVSS v3 8.8
EPSS 0.3495
EPSS Percentile 98.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-78
Status published
Products (1)
ruijienetworks/reyeeos < 1.55.1915_ew_3.0\(1\)b11p55
Published May 04, 2022
Tracked Since Feb 18, 2026