#VU55913 OS Command Injection in Realtek products - CVE-2021-35394
Published: August 17, 2021 / Updated: February 20, 2022
Vulnerability identifier: #VU55913
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber
CVE-ID: CVE-2021-35394
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerable software:
Realtek SDK
Realtek Jungle SDK
Realtek Luna SDK
Realtek SDK
Realtek Jungle SDK
Realtek Luna SDK
Software vendor:
Realtek
Realtek
Description
The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation within the MP Daemon diagnostic tool. A remote unauthenticated attacker 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.
Remediation
Install updates from vendor's website.