CVE-2006-2242

acFTP 1.4 - Denial of Service via Long USER Command String

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2006-2242. PoCs published by Omni, Preddy.

AI-analyzed exploit summary This exploit targets a denial-of-service vulnerability in acFTP 1.4 by sending an overly long USER command with specific character sequences, causing the FTP server to crash. The code establishes a TCP connection to the target and sends a malformed USER command with a buffer of 2500 bytes.

Description

acFTP 1.4 allows remote attackers to cause a denial of service (application crash) via a long string with "{" (brace) characters to the USER command.

Exploits (2)

exploitdb WORKING POC VERIFIED
by Omni · cdoswindows
https://www.exploit-db.com/exploits/1757

This exploit targets a denial-of-service vulnerability in acFTP 1.4 by sending an overly long USER command with specific character sequences, causing the FTP server to crash. The code establishes a TCP connection to the target and sends a malformed USER command with a buffer of 2500 bytes.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: acFTP 1.4
No auth needed
Prerequisites: Network access to the target FTP server · Target running acFTP 1.4
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by Preddy · perldoswindows
https://www.exploit-db.com/exploits/1749

This exploit targets a buffer overflow vulnerability in acFtpd via the USER command. It sends a large string of 'A{' characters to crash the FTP service.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: acFtpd (version not specified)
No auth needed
Prerequisites: Network access to the target FTP service
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (6)

Core 6
Core References
Exploit, Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/19978
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2006/1674
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/17855
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/26258
Exploit vdb-entry x_refsource_osvdb
http://www.osvdb.org/25278
Exploit, Third Party Advisory exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/1749

Scores

EPSS 0.0374
EPSS Percentile 88.4%

Details

Status published
Products (1)
acftp/acftp 1.4
Published May 09, 2006
Tracked Since Feb 18, 2026