Main Vulnerability Database Vulnerabilities #VU78352

#VU78352 OS Command Injection in ZyXEL Communications Corp. products - CVE-2023-34141

Published: July 18, 2023

Vulnerability identifier: #VU78352

Vulnerability risk: Medium

CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green

CVE-ID: CVE-2023-34141

CWE-ID: CWE-78

Exploitation vector: Adjecent network

Exploit availability: No public exploit available

Vulnerable software:
ATP series
USG FLEX series
VPN series
USG FLEX 50W
USG20W-VPN

Software vendor:
ZyXEL Communications Corp.

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 access point (AP) management feature. A remote unauthenticated attacker 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.

Remediation

Install updates from vendor's website.

External links

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-wlan-controllers