4.20

DATE	CVE	VULNERABILITY TITLE	RISK
2023-07-17	CVE-2023-34139	OS Command Injection vulnerability in Zyxel products A command injection vulnerability in the Free Time WiFi hotspot feature of the Zyxel USG FLEX series firmware versions 4.50 through 5.36 Patch 2 and VPN series firmware versions 4.20 through 5.36 Patch 2, could allow an unauthenticated, LAN-based attacker to execute some OS commands on an affected device. low complexity zyxel CWE-78	8.8
2019-06-27	CVE-2019-12583	Forced Browsing vulnerability in Zyxel products Missing Access Control in the "Free Time" component of several Zyxel UAG, USG, and ZyWall devices allows a remote attacker to generate guest accounts by directly accessing the account generator. network low complexity zyxel CWE-425 critical	9.1