Vulnerabilities > Zyxel > Usg20W VPN Firmware > Critical

DATE CVE VULNERABILITY TITLE RISK
2022-05-12 CVE-2022-30525 OS Command Injection vulnerability in Zyxel products
A OS command injection vulnerability in the CGI program of Zyxel USG FLEX 100(W) firmware versions 5.00 through 5.21 Patch 1, USG FLEX 200 firmware versions 5.00 through 5.21 Patch 1, USG FLEX 500 firmware versions 5.00 through 5.21 Patch 1, USG FLEX 700 firmware versions 5.00 through 5.21 Patch 1, USG FLEX 50(W) firmware versions 5.10 through 5.21 Patch 1, USG20(W)-VPN firmware versions 5.10 through 5.21 Patch 1, ATP series firmware versions 5.10 through 5.21 Patch 1, VPN series firmware versions 4.60 through 5.21 Patch 1, which could allow an attacker to modify specific files and then execute some OS commands on a vulnerable device.
network
low complexity
zyxel CWE-78
critical
9.8
2020-12-22 CVE-2020-29583 Insufficiently Protected Credentials vulnerability in Zyxel products
Firmware version 4.60 of Zyxel USG devices contains an undocumented account (zyfwp) with an unchangeable password.
network
low complexity
zyxel CWE-522
critical
9.8
2020-03-04 CVE-2020-9054 OS Command Injection vulnerability in Zyxel products
Multiple ZyXEL network-attached storage (NAS) devices running firmware version 5.21 contain a pre-authentication command injection vulnerability, which may allow a remote, unauthenticated attacker to execute arbitrary code on a vulnerable device.
network
low complexity
zyxel CWE-78
critical
10.0