OS Command Injection in RLC-410W - CVE-2021-40408

 

OS Command Injection in RLC-410W - CVE-2021-40408

Published: January 27, 2022


Vulnerability identifier: #VU60067
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-40408
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Reolink
Affected software:
RLC-410W

Detailed vulnerability description

The vulnerability allows a remote user to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation in "SetDdns - userName" in the device network settings functionality. A remote administrator can pass specially crafted data to the application and execute arbitrary OS commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2021-40408

Install updates from vendor's website.

Sources