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.
Conclusion & alert: CVE-2006-3540 is rated Low Risk (35.5/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.60%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.15% | 0.60% | +0.45% |
| 2 | 2026-02-19 | 0.05% | 0.15% | +0.10% |
| 3 | 2025-03-30 | — | 0.05% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.9 | 2.0 | MEDIUM |
|
3.9 | 6.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| zonelabs | zonealarm_security_suite | 6.1.737.000 | cpe:2.3:a:zonelabs:zonealarm_security_suite:6.1.737.000:*:*:*:*:*:*:* |
| zonelabs | zonealarm_security_suite | 6.5.722.000 | cpe:2.3:a:zonelabs:zonealarm_security_suite:6.5.722.000:*:*:*:*:*:*:* |