#VU76514 Buffer overflow in ZyXEL Communications Corp. products - CVE-2023-33009

 

#VU76514 Buffer overflow in ZyXEL Communications Corp. products - CVE-2023-33009

Published: May 25, 2023 / Updated: June 2, 2023


Vulnerability identifier: #VU76514
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-2023-33009
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: The vulnerability is being exploited in the wild
Vulnerable software:
ATP series
USG FLEX series
VPN series
USG series
USG FLEX 50W
USG20W-VPN
ZyWALL
Software vendor:
ZyXEL Communications Corp.

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in the notification function. A remote attacker can trigger memory corruption and execute arbitrary code 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