CVE-2007-3548

W3filer vulnerability

CVSS

7.1

EPSS

3.9%

EPSS pct

89th

Exploited

No known

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.

Affected vendor

W3filer

Affected product

W3filer

CVSS vector

AV:N/AC:M/Au:N/C:N/I:N/A:C

Published

2007-07-03

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, medium attack complexity, requiring no authentication. Successful exploitation leads to complete impact to availability.

Its EPSS score of 3.9% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 89% of all scored CVEs.

Check your external exposure to CVE-2007-3548

Confirm whether W3filer W3filer is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2007-3548.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2007-3548

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2007-3548 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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