CVE-2007-3548

W3Filer 2.1.3 - Stack-Based Buffer Overflow via FTP Banner

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2007-3548. PoCs published by r0ut3r.

AI-analyzed exploit summary This exploit demonstrates a buffer overflow vulnerability in W3Filer 2.1.3 by sending a large banner (1500 bytes) to a client, causing the application to crash or freeze. The PoC overwrites the EIP with 'A's, leading to a denial-of-service condition.

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.

Exploits (1)

exploitdb WORKING POC VERIFIED
by r0ut3r · cdoswindows
https://www.exploit-db.com/exploits/4126

This exploit demonstrates a buffer overflow vulnerability in W3Filer 2.1.3 by sending a large banner (1500 bytes) to a client, causing the application to crash or freeze. The PoC overwrites the EIP with 'A's, leading to a denial-of-service condition.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: W3Filer 2.1.3
No auth needed
Prerequisites: Network access to the target · Target application must be running and listening on port 21
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/35184
Exploit vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/24709
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://osvdb.org/45745
Exploit, Third Party Advisory exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/4126

Scores

EPSS 0.0389
EPSS Percentile 88.9%

Details

Status published
Products (1)
w3filer/w3filer 2.1.3
Published Jul 03, 2007
Tracked Since Feb 18, 2026