Security vulnerabilities from zyxel

As of 10/11/2026, zyxel recorded 4 security vulnerabilities in the last 90 days across 6 products, including 3 rated High or above and 0 known exploited vulnerabilities (KEV) that should be prioritized for immediate remediation.

Over the last 90 days, WAX650S firmware had the most security vulnerabilities in the zyxel ecosystem, with 2 vulnerabilities—approximately 50% of the provider's total vulnerabilities during this period.