#VU78347 Format string error in ZyXEL Communications Corp. products - CVE-2023-33011
Published: July 18, 2023
Vulnerability identifier: #VU78347
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-2023-33011
CWE-ID: CWE-134
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerable software:
ATP series
USG FLEX series
VPN series
USG FLEX 50W
USG20W-VPN
ATP series
USG FLEX series
VPN series
USG FLEX 50W
USG20W-VPN
Software vendor:
ZyXEL Communications Corp.
ZyXEL Communications Corp.
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a format string error. A remote attacker on the local network can supply a specially crafted input that contains format string specifiers 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.