Known Vulnerabilities for Usg Flex Firmware by Zyxel

Listed below are 1 of the newest known vulnerabilities associated with "Usg Flex Firmware" by "Zyxel".

These CVEs are retrieved based on exact matches on listed software, hardware, and vendor information (CPE data) as well as a keyword search to ensure the newest vulnerabilities with no officially listed software information are still displayed.

Data on known vulnerable versions is also displayed based on information from known CPEs

Known Vulnerabilities

CVE Shortened Description Severity Publish Date Last Modified
CVE-2025-15645 json Ledger Nano X, Flex, and Stax devices contain a denial of service vulnerability in the MCU firmware update process due to mis... Not Provided 2026-05-19 2026-05-20
CVE-2020-29299 json Certain Zyxel products allow command injection by an admin via an input string to chg_exp_pwd during a password-change action... 7.2 - HIGH 2020-12-27 2021-01-05
CVE-2012-6437 json The device does not properly authenticate users and the potential exists for a remote user to upload a new firmware image to ... 7.2 - HIGH 2013-01-24 2026-06-03
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