CVE-2006-3540: Zonelabs Zonealarm Security Suite

Medium severity, CVSS 4.9. EPSS: 0.6% chance of exploitation in the next 30 days.

Check Point Zone Labs ZoneAlarm Internet Security Suite 6.5.722.000, 6.1.737.000, and possibly other versions do not properly validate RegSaveKey, RegRestoreKey, and RegDeleteKey function calls, which allows local users to cause a denial of service (system crash) via a certain combination of these function calls with an HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\VETFDDNT\Enum argument.

Affected products

• Zonelabs Zonealarm Security Suite: version 6.1.737.000 only; version 6.5.722.000 only

Published 2006-07-13. Last modified 2026-06-16.