Serial number: AV26-725 Date: July 21, 2026 On July 21, 2026, Zyxel published a security advisory to address a vulnerability in the following products: - DSL/Ethernet CPE – multiple versions and models - Fiber ONTs – multiple versions and models - Wireless Extenders – multiple versions and models The Cyber Centre encourages users and administrators to review the provided web links and apply the ne...