#VU75467 Information disclosure in ZyXEL Communications Corp. products - CVE-2023-22918

Vulnerability identifier: #VU75467

Vulnerability risk: Medium

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

CVE-ID: CVE-2023-22918

CWE-ID: CWE-200

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
ATP series
USG FLEX series
VPN series
USG FLEX 50W
USG20W-VPN
NWA5123-AC HD
WAC5302D-Sv2
WAC6103D-I
WAC6303D-S
WAC6502D-E
WAC6502D-S
WAC6503D-S
WAC6552D-S
WAC6553D-E
NWA110AX
NWA1123ACv3
NWA210AX
WAC500
WAC500H
WAX510D
WAX610D
WAX650S
NAP203
NAP303
NAP353
NWA1123-AC-PRO
NWA220AX-6E
NWA50AX
NWA50AX-PRO
NWA90AX
NWA90AX-PRO
WAX620D-6E
WAX630S
WAX640S-6E
WAX655E

Software vendor:
ZyXEL Communications Corp.

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application in the CGI program. A remote user can gain unauthorized access to sensitive information on the system.

Install updates from vendor's website.

• https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-of-firewalls-and-aps