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.
Configuration 1 (hide)
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Configuration 2 (hide)
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Configuration 3 (hide)
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28 Oct 2025, 19:18
| Type | Values Removed | Values Added |
|---|---|---|
| First Time |
Zyxel atp500
Zyxel usg Flex 100ax Zyxel Zyxel usg Flex 50w Zyxel atp200 Zyxel usg Flex 50ax Zyxel atp100w Zyxel usg Flex 700 Zyxel atp700 Zyxel usg Flex 100 Zyxel usg Flex 100w Zyxel usg Flex 500 Zyxel atp100 Zyxel usg Flex 50 Zyxel usg 20w-vpn Zyxel atp800 Zyxel zld Zyxel usg Flex 200 |
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| References | () https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-post-authentication-command-injection-and-missing-authorization-vulnerabilities-in-zld-firewalls-10-21-2025 - Vendor Advisory | |
| CPE | cpe:2.3:h:zyxel:atp700:-:*:*:*:*:*:*:* cpe:2.3:h:zyxel:usg_flex_50w:-:*:*:*:*:*:*:* cpe:2.3:h:zyxel:usg_flex_700:-:*:*:*:*:*:*:* cpe:2.3:h:zyxel:atp200:-:*:*:*:*:*:*:* cpe:2.3:h:zyxel:usg_flex_50ax:-:*:*:*:*:*:*:* cpe:2.3:o:zyxel:zld:*:*:*:*:*:*:*:* cpe:2.3:h:zyxel:atp500:-:*:*:*:*:*:*:* cpe:2.3:h:zyxel:usg_flex_100:-:*:*:*:*:*:*:* cpe:2.3:h:zyxel:usg_flex_50:-:*:*:*:*:*:*:* cpe:2.3:h:zyxel:usg_flex_200:-:*:*:*:*:*:*:* cpe:2.3:h:zyxel:usg_flex_100ax:-:*:*:*:*:*:*:* cpe:2.3:h:zyxel:usg_flex_100w:-:*:*:*:*:*:*:* cpe:2.3:h:zyxel:atp100:-:*:*:*:*:*:*:* cpe:2.3:h:zyxel:usg_flex_500:-:*:*:*:*:*:*:* cpe:2.3:h:zyxel:atp800:-:*:*:*:*:*:*:* cpe:2.3:h:zyxel:atp100w:-:*:*:*:*:*:*:* cpe:2.3:h:zyxel:usg_20w-vpn:*:*:*:*:*:*:*:* |
21 Oct 2025, 03:15
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Published : 2025-10-21 03:15
Updated : 2025-10-28 19:18
NVD link : CVE-2025-9133
Mitre link : CVE-2025-9133
CVE.ORG link : CVE-2025-9133
JSON object : View
Missing Authorization