Main Vulnerability Database Vulnerabilities #VU58435

OS Command Injection in WRH-733GBK and WRH-733GWH - CVE-2021-20853

Published: November 30, 2021

Vulnerability identifier: #VU58435

CSH Severity: Low

CVSS v4: 8.5 [CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-20853

CWE-ID: CWE-78

Exploitation vector: Adjecent network

Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to improper input validation. A remote administrator on the local network 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.

Affected software

WRH-733GBK
WRH-733GWH

How to mitigate CVE-2021-20853

Install updates from vendor's website.

WRH-733GBK - update to 1.05
WRH-733GWH - update to 1.05

External References

Related Security Bulletins