CVE-2009-0349

FTPShell Server 4.3 - Buffer Overflow

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2009-0349. PoCs published by LiquidWorm.

AI-analyzed exploit summary This exploit generates a malicious .key file with an 8000-byte buffer overflow payload to trigger a remote buffer overflow in FTPShell Server 4.3 during license key installation, leading to a crash upon restart.

Description

Stack-based buffer overflow in FTPShell Server 4.3 allows user-assisted remote attackers to cause a denial of service (persistent daemon crash) and possibly execute arbitrary code via a long string in a licensing key (aka .key) file.

Exploits (1)

exploitdb WORKING POC VERIFIED
by LiquidWorm · perldoswindows
https://www.exploit-db.com/exploits/7852

This exploit generates a malicious .key file with an 8000-byte buffer overflow payload to trigger a remote buffer overflow in FTPShell Server 4.3 during license key installation, leading to a crash upon restart.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: FTPShell Server 4.3
No auth needed
Prerequisites: Access to the target system to place the malicious .key file
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Exploit, Third Party Advisory exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/7852
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/33597
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://osvdb.org/51510

Scores

EPSS 0.0586
EPSS Percentile 92.2%

Details

CWE
CWE-119
Status published
Products (1)
ftpshell/ftpshell_server 4.3
Published Jan 29, 2009
Tracked Since Feb 18, 2026