OS Command Injection in ZyXEL Communications Corp. products - CVE-2022-30525
Published: May 13, 2022 / Updated: February 27, 2024
Vulnerability identifier: #VU63145
CSH Severity: High
CVSS v4.0: 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-2022-30525
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vendor: ZyXEL Communications Corp.
Affected software:
USG FLEX 100W
USG FLEX 200
USG FLEX 500
USG FLEX 700
USG FLEX 50W
USG20W-VPN
ATP series
VPN series
USG FLEX 100W
USG FLEX 200
USG FLEX 500
USG FLEX 700
USG FLEX 50W
USG20W-VPN
ATP series
VPN series
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation in the CGI program. 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.
How to mitigate CVE-2022-30525
Install updates from vendor's website.