Serial number:AV26-092
Date:February 5, 2026
On February 5, 2026, Zyxel published a security advisory to address a vulnerability in the following products:
- ATP – versions ZLD V5.35 to V5.41
- USG FLEX – versions ZLD V5.35 to V5.41
- USG FLEX 50(W)/ USG20(W)-VPN – versions ZLD V5.35 to V5.41
The Cyber Centre encourages users and administrators to review the provided web links and apply the necessary updates.


