OS Command Injection in WRH-733GBK and WRH-733GWH - CVE-2021-20854
Published: November 30, 2021
Vulnerability identifier: #VU58436
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2021-20854
CWE-ID: CWE-78
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vendor: ELECOM CO. ,LTD.
Affected software:
WRH-733GBK
WRH-733GWH
WRH-733GBK
WRH-733GWH
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. 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.
How to mitigate CVE-2021-20854
Install updates from vendor's website.