#VU83520 Buffer overflow in ZyXEL Communications Corp. products - CVE-2023-4397
Published: November 28, 2023
Vulnerability identifier: #VU83520
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-4397
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
ATP series
USG FLEX series
USG FLEX 50W
USG20W-VPN
ATP series
USG FLEX series
USG FLEX 50W
USG20W-VPN
Software vendor:
ZyXEL Communications Corp.
ZyXEL Communications Corp.
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error. A local administrator can trigger memory corruption and cause a denial of service condition on the target system.
Remediation
Install updates from vendor's website.