Known vulnerabilities in ZyXEL Communications Corp. USG FLEX 50W

Vendor: ZyXEL Communications Corp.
Website: https://www.zyxel.com/
Total Security Bulletins: 12

Security bulletins (12)

Secuity bulletin Severity Status Published
SB2026020583: OS Command Injection in Zyxel Firewalls Low
Patched
05.02.2026
SB2025102144: Multiple vulnerabilities in Zyxel firewalls Medium
Patched
21.10.2025
SB2024112907: Path traversal in Zyxel firewalls Critical
Patched Exploited
29.11.2024
SB2024090354: Multiple vulnerabilities in Zyxel firewalls Critical
Patched Exploited
03.09.2024
SB2024022031: Multiple vulnerabilities in Zyxel firewalls and APs High
Patched
20.02.2024
SB2023112820: Multiple vulnerabilities in Zyxel firewalls and APs Medium
Patched
28.11.2023
SB2023071819: Multiple vulnerabilities in Zyxel firewalls and WLAN controllers Medium
Patched Public exploit
18.07.2023
SB2023052525: Multiple vulnerabilities in Zyxel firewalls High
Patched Exploited
25.05.2023
SB2023042508: Multiple vulnerabilitiesin Zyxel firewalls and APs Medium
Patched
25.04.2023
SB2023042507: Multiple vulnerabilitiesin Zyxel firewalls High
Patched Exploited
25.04.2023
SB2022071902: Multiple vulnerabilities in Zyxel products Medium
Patched Public exploit
19.07.2022
SB2022051308: OS Command Injection in multiple Zyxel devices High
Patched Exploited
13.05.2022