How severe is CVE-2006-0309?

CVE-2006-0309 has a CVSS 2.0 base score of 4.0, rated medium severity.

Is CVE-2006-0309 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-0309?

CVE-2006-0309 affects Linksys Befvp41. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2006-0309?

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

When was CVE-2006-0309 published?

CVE-2006-0309 was published on 2006-01-19 and last updated on 2026-06-16.

CVE-2006-0309

CVE-2006-0309 is a medium-severity vulnerability in Linksys Befvp41 with a CVSS 2.0 base score of 4.0. 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 4.0)
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Linksys Befvp41
Published: 2006-01-19
Last modified: 2026-06-16

Description

Linksys BEFVP41 VPN Router 2.0 with firmware 1.01.04 allows remote attackers on the local network, to cause a denial of service via IP packets with a null IP option length.

Frequently asked questions

What is CVE-2006-0309?: Linksys BEFVP41 VPN Router 2.0 with firmware 1.01.04 allows remote attackers on the local network, to cause a denial of service via IP packets with a null IP option length.
How severe is CVE-2006-0309?: CVE-2006-0309 has a CVSS 2.0 base score of 4.0, rated medium severity.
Is CVE-2006-0309 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-0309?: CVE-2006-0309 affects Linksys Befvp41. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-0309?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-0309 published?: CVE-2006-0309 was published on 2006-01-19 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:h:linksys:befvp41:1.01.04:*:*:*:*:*:*:*