VULNERABILITY INTELLIGENCE
CVE-2022-40603
CVSS score6.1 MEDIUM
EPSS probability0.39%
CISA KEVNot currently listed
Published2022-12-06
Last modified2026-06-17
Description
A cross-site scripting (XSS) vulnerability in the CGI program of Zyxel ZyWALL/USG series firmware versions 4.30 through 4.72, VPN series firmware versions 4.30 through 5.31, USG FLEX series firmware versions 4.50 through 5.31, and ATP series firmware versions 4.32 through 5.31, which could allow an attacker to trick a user into visiting a crafted URL with the XSS payload. Then, the attacker could gain access to some browser-based information if the malicious script is executed on the victim’s browser.