How severe is CVE-2006-3540?

CVE-2006-3540 has a CVSS 2.0 base score of 4.9, rated medium severity.

Is CVE-2006-3540 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-3540?

CVE-2006-3540 primarily affects Zonelabs Zonealarm Security Suite. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2006-3540?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2006-3540 published?

CVE-2006-3540 was published on 2006-07-13 and last updated on 2026-06-16.

CVE-2006-3540

CVE-2006-3540 is a medium-severity vulnerability in Zonelabs Zonealarm Security Suite with a CVSS 2.0 base score of 4.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 4.9)
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Zonelabs Zonealarm Security Suite
Published: 2006-07-13
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2006-3540?: 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.
How severe is CVE-2006-3540?: CVE-2006-3540 has a CVSS 2.0 base score of 4.9, rated medium severity.
Is CVE-2006-3540 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-3540?: CVE-2006-3540 primarily affects Zonelabs Zonealarm Security Suite. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-3540?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-3540 published?: CVE-2006-3540 was published on 2006-07-13 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:zonelabs:zonealarm_security_suite:6.1.737.000:*:*:*:*:*:*:*
cpe:2.3:a:zonelabs:zonealarm_security_suite:6.5.722.000:*:*:*:*:*:*:*

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