How severe is CVE-2007-3548?

CVE-2007-3548 has a CVSS 2.0 base score of 7.1, rated high severity.

Is CVE-2007-3548 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-3548?

CVE-2007-3548 affects W3filer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-3548?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2007-3548 published?

CVE-2007-3548 was published on 2007-07-03 and last updated on 2026-06-16.

CVE-2007-3548

CVE-2007-3548 is a high-severity vulnerability in W3filer with a CVSS 2.0 base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.1)
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: W3filer
Published: 2007-07-03
Last modified: 2026-06-16

Description

Stack-based buffer overflow in W3Filer 2.1.3 allows remote FTP servers to cause a denial of service (application hang or crash) and possibly execute arbitrary code by sending a large banner to a client that is sending a file.

Frequently asked questions

What is CVE-2007-3548?: Stack-based buffer overflow in W3Filer 2.1.3 allows remote FTP servers to cause a denial of service (application hang or crash) and possibly execute arbitrary code by sending a large banner to a client that is sending a file.
How severe is CVE-2007-3548?: CVE-2007-3548 has a CVSS 2.0 base score of 7.1, rated high severity.
Is CVE-2007-3548 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-3548?: CVE-2007-3548 affects W3filer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-3548?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2007-3548 published?: CVE-2007-3548 was published on 2007-07-03 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:w3filer:w3filer:2.1.3:*:*:*:*:*:*:*