How severe is CVE-2006-3725?

CVE-2006-3725 has a CVSS 2.0 base score of 2.1, rated low severity.

Is CVE-2006-3725 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-3725?

CVE-2006-3725 affects Symantec Norton Personal Firewall. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2006-3725?

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

When was CVE-2006-3725 published?

CVE-2006-3725 was published on 2006-07-21 and last updated on 2026-06-16.

CVE-2006-3725

CVE-2006-3725 is a low-severity vulnerability in Symantec Norton Personal Firewall with a CVSS 2.0 base score of 2.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Low (CVSS 2.0 base score 2.1)
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Symantec Norton Personal Firewall
Published: 2006-07-21
Last modified: 2026-06-16

Description

Norton Personal Firewall 2006 9.1.0.33 allows local users to cause a denial of service (crash) via certain RegSaveKey, RegRestoreKey and RegDeleteKey operations on the (1) HKLM\SYSTEM\CurrentControlSet\Services\SNDSrvc and (2) HKLM\SYSTEM\CurrentControlSet\Services\SymEvent registry keys.

Frequently asked questions

What is CVE-2006-3725?: Norton Personal Firewall 2006 9.1.0.33 allows local users to cause a denial of service (crash) via certain RegSaveKey, RegRestoreKey and RegDeleteKey operations on the (1) HKLM\SYSTEM\CurrentControlSet\Services\SNDSrvc and (2) HKLM\SYSTEM\CurrentControlSet\Services\SymEvent registry keys.
How severe is CVE-2006-3725?: CVE-2006-3725 has a CVSS 2.0 base score of 2.1, rated low severity.
Is CVE-2006-3725 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-3725?: CVE-2006-3725 affects Symantec Norton Personal Firewall. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-3725?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-3725 published?: CVE-2006-3725 was published on 2006-07-21 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:symantec:norton_personal_firewall:2006_9.1.0.33:*:*:*:*:*:*:*

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