Vulnerabilities > Zyxel > Zywall 310 Firmware > 4.20

DATE CVE VULNERABILITY TITLE RISK
2023-02-07 CVE-2022-38547 OS Command Injection vulnerability in Zyxel products
A post-authentication command injection vulnerability in the CLI command of Zyxel ZyWALL/USG series firmware versions 4.20 through 4.72, VPN series firmware versions 4.30 through 5.32, USG FLEX series firmware versions 4.50 through 5.32, and ATP series firmware versions 4.32 through 5.32, which could allow an authenticated attacker with administrator privileges to execute OS commands.
network
low complexity
zyxel CWE-78
7.2
2022-03-28 CVE-2022-0342 Improper Authentication vulnerability in Zyxel products
An authentication bypass vulnerability in the CGI program of Zyxel USG/ZyWALL series firmware versions 4.20 through 4.70, USG FLEX series firmware versions 4.50 through 5.20, ATP series firmware versions 4.32 through 5.20, VPN series firmware versions 4.30 through 5.20, and NSG series firmware versions V1.20 through V1.33 Patch 4, which could allow an attacker to bypass the web authentication and obtain administrative access of the device.
network
low complexity
zyxel CWE-287
critical
9.8
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