Zyxel USG FLEX H series uOS 1.31 – Privilege Escalation

# Exploit Title: Zyxel USG FLEX H series uOS 1.31 – Privilege Escalation # Date: 2025-04-23 # Exploit Author: Marco Ivaldi # Vendor Homepage: https://www.zyxel.com/ # Version: Zyxel uOS V1.31 (see https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-= =3D advisory-for-incorrect-permission-assignment-and-improper-privilege-managem= =3D ent-vulnerabilities-in-usg-flex-h-series-firewalls-04-22-2025) # Tested on: Zyxel FLEX100H with Firmware V1.31(ABXF.0) and Zyxel FLEX200H with Firmware V1.31(ABWV.0) # CVE: CVE-2025-1731 …

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