CVE-2025-40602: SonicWall Releases Fix for SMA1000 Privilege Escalation Zero-Day Under Active Attack
On December 17, 2025, SonicWall released fixes for an actively exploited medium-severity zero-day vulnerability in the SonicWall SMA1000 Appliance Management Console (AMC), tracked as CVE-2025-40602. The vulnerability allows local threat actors to escalate privileges due to insufficient authorization in the SMA1000 AMC and does not affect SSL VPN functionality on SonicWall firewalls.