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Vulnerable Software

Vulnerability Details CVE-2025-9133

A missing authorization vulnerability in Zyxel ATP series firmware versions from V4.32 through V5.40, USG FLEX series firmware versions from V4.50 through V5.40, USG FLEX 50(W) series firmware versions from V4.16 through V5.40, and USG20(W)-VPN series firmware versions from V4.16 through V5.40 could allow a semi-authenticated attacker—who has completed only the first stage of the two-factor authentication (2FA) process—to view and download the system configuration from an affected device.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 10.8%
CVSS Severity
CVSS v3 Score 8.1
Products affected by CVE-2025-9133
  • Zyxel » Atp100 » Version: N/A
    cpe:2.3:h:zyxel:atp100:-
  • Zyxel » Atp100w » Version: N/A
    cpe:2.3:h:zyxel:atp100w:-
  • Zyxel » Atp200 » Version: N/A
    cpe:2.3:h:zyxel:atp200:-
  • Zyxel » Atp500 » Version: N/A
    cpe:2.3:h:zyxel:atp500:-
  • Zyxel » Atp700 » Version: N/A
    cpe:2.3:h:zyxel:atp700:-
  • Zyxel » Atp800 » Version: N/A
    cpe:2.3:h:zyxel:atp800:-
  • Zyxel » Usg 20w-Vpn » Version: N/A
    cpe:2.3:h:zyxel:usg_20w-vpn:-
  • Zyxel » Usg Flex 100 » Version: N/A
    cpe:2.3:h:zyxel:usg_flex_100:-
  • Zyxel » Usg Flex 100ax » Version: N/A
    cpe:2.3:h:zyxel:usg_flex_100ax:-
  • Zyxel » Usg Flex 100w » Version: N/A
    cpe:2.3:h:zyxel:usg_flex_100w:-
  • Zyxel » Usg Flex 200 » Version: N/A
    cpe:2.3:h:zyxel:usg_flex_200:-
  • Zyxel » Usg Flex 500 » Version: N/A
    cpe:2.3:h:zyxel:usg_flex_500:-
  • Zyxel » Usg Flex 50 » Version: N/A
    cpe:2.3:h:zyxel:usg_flex_50:-
  • Zyxel » Usg Flex 50ax » Version: N/A
    cpe:2.3:h:zyxel:usg_flex_50ax:-
  • Zyxel » Usg Flex 50w » Version: N/A
    cpe:2.3:h:zyxel:usg_flex_50w:-
  • Zyxel » Usg Flex 700 » Version: N/A
    cpe:2.3:h:zyxel:usg_flex_700:-
  • Zyxel » Zld » Version: 4.16
    cpe:2.3:o:zyxel:zld:4.16
  • Zyxel » Zld » Version: 4.20
    cpe:2.3:o:zyxel:zld:4.20
  • Zyxel » Zld » Version: 4.30
    cpe:2.3:o:zyxel:zld:4.30
  • Zyxel » Zld » Version: 4.32
    cpe:2.3:o:zyxel:zld:4.32
  • Zyxel » Zld » Version: 4.39
    cpe:2.3:o:zyxel:zld:4.39
  • Zyxel » Zld » Version: 4.50
    cpe:2.3:o:zyxel:zld:4.50
  • Zyxel » Zld » Version: 4.55
    cpe:2.3:o:zyxel:zld:4.55
  • Zyxel » Zld » Version: 4.60
    cpe:2.3:o:zyxel:zld:4.60
  • Zyxel » Zld » Version: 5.00
    cpe:2.3:o:zyxel:zld:5.00
  • Zyxel » Zld » Version: 5.10
    cpe:2.3:o:zyxel:zld:5.10
  • Zyxel » Zld » Version: 5.37
    cpe:2.3:o:zyxel:zld:5.37
  • Zyxel » Zld » Version: 5.38
    cpe:2.3:o:zyxel:zld:5.38
  • Zyxel » Zld » Version: 5.39
    cpe:2.3:o:zyxel:zld:5.39


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