CVE-2018-7573

CRITICAL

FTPShell Client 6.7 - Remote Code Execution via FTP 220 Response Buffer Overflow

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 3 public exploits for CVE-2018-7573. PoCs published by Metasploit, r4wd3r, r4wd3r, Daniel Teixeira, including Metasploit module exploits/windows/ftp/ftpshell_cli_bof.

AI-analyzed exploit summary This Metasploit module exploits a stack buffer overflow in FTPShell Client 6.70 (Enterprise edition) via a malicious FTP server response, leading to remote code execution. The exploit leverages a controlled return address to execute arbitrary payloads.

Description

An issue was discovered in FTPShell Client 6.7. A remote FTP server can send 400 characters of 'F' in conjunction with the FTP 220 response code to crash the application; after this overflow, one can run arbitrary code on the victim machine. This is similar to CVE-2009-3364 and CVE-2017-6465.

Exploits (3)

exploitdb WORKING POC VERIFIED
by Metasploit · rubyremotewindows
https://www.exploit-db.com/exploits/44968

This Metasploit module exploits a stack buffer overflow in FTPShell Client 6.70 (Enterprise edition) via a malicious FTP server response, leading to remote code execution. The exploit leverages a controlled return address to execute arbitrary payloads.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: FTPShell Client 6.70 (Enterprise edition)
No auth needed
Prerequisites: Attacker-controlled FTP server · Target must connect to the malicious server
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by r4wd3r · pythonremotewindows
https://www.exploit-db.com/exploits/44596

This exploit targets a buffer overflow vulnerability in FTPShell Client 6.7 by sending a maliciously crafted payload to trigger remote code execution. The payload includes shellcode generated by msfvenom to spawn calc.exe.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: FTPShell Client 6.7
No auth needed
Prerequisites: Network access to the target · FTPShell Client 6.7 installed on the target
devstral-2 · analyzed Feb 16, 2026 Full analysis →
metasploit WORKING POC NORMAL
by r4wd3r, Daniel Teixeira · rubypocwin
https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/ftp/ftpshell_cli_bof.rb

This Metasploit module exploits a stack buffer overflow in FTPShell client 6.70 (Enterprise edition) by sending a malicious FTP response containing shellcode. It sets up a fake FTP server to trigger the vulnerability when the client connects.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: FTPShell client 6.70 (Enterprise edition)
No auth needed
Prerequisites: Attacker must convince target to connect to malicious FTP server · Target must use vulnerable FTPShell client version
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Exploit, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/44968/
Exploit, Third Party Advisory x_refsource_misc
https://cxsecurity.com/issue/WLB-2018030011
Exploit, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/44596/

Scores

CVSS v3 9.8
EPSS 0.7795
EPSS Percentile 99.0%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-119
Status published
Products (1)
ftpshell/ftpshell_client 6.70
Published Mar 01, 2018
Tracked Since Feb 18, 2026