Zyxel Usg1100 Firmware — known CVE vulnerabilities

Every CVE whose affected-product data names Zyxel Usg1100 Firmware, ordered by CVSS severity, with EPSS exploit prediction and CISA KEV status.

CVEs (6)

• CVE-2020-29583 — CVSS 9.8 (critical) — actively exploited: Firmware version 4.60 of Zyxel USG devices contains an undocumented account (zyfwp) with an unchangeable password. The password for this…
• CVE-2020-9054 — CVSS 9.8 (critical) — actively exploited: Multiple ZyXEL network-attached storage (NAS) devices running firmware version 5.21 contain a pre-authentication command injection…
• CVE-2021-35029 — CVSS 9.8 (critical): An authentication bypasss vulnerability in the web-based management interface of Zyxel USG/Zywall series firmware versions 4.35 through…
• CVE-2019-12583 — CVSS 9.1 (critical): Missing Access Control in the "Free Time" component of several Zyxel UAG, USG, and ZyWall devices allows a remote attacker to generate…
• CVE-2019-12581 — CVSS 6.1 (medium): A reflective Cross-site scripting (XSS) vulnerability in the free_time_failed.cgi CGI program in selected Zyxel ZyWall, USG, and UAG…
• CVE-2019-9955 — CVSS 6.1 (medium): On Zyxel ATP200, ATP500, ATP800, USG20-VPN, USG20W-VPN, USG40, USG40W, USG60, USG60W, USG110, USG210, USG310, USG1100, USG1900…