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CVE-2022-0910

MEDIUM CVSS: 6.5 Published: 2022-05-24 Modified: 2026-06-17

Description

A downgrade from two-factor authentication to one-factor authentication vulnerability in the CGI program of Zyxel USG/ZyWALL series firmware versions 4.32 through 4.71, USG FLEX series firmware versions 4.50 through 5.21, ATP series firmware versions 4.32 through 5.21, and VPN series firmware versions 4.32 through 5.21, that could allow an authenticated attacker to bypass the second authentication phase to connect the IPsec VPN server even though the two-factor authentication (2FA) was enabled.

Affected Platforms

Zyxel Usg 1100Zyxel Usg Flex 100 FirmwareZyxel Usg300Zyxel Atp500 FirmwareZyxel Usg Flex 500Zyxel Usg 310Zyxel Atp700 FirmwareZyxel Usg Flex 700Zyxel Atp700Zyxel Usg Flex 700 Firmware

Weakness Type

CWE-287, CWE-287

References