CVE-2017-6465

CRITICAL

FTPShell Client 6.53 - Remote Code Execution via PWD Response Buffer Overflow

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2017-6465. PoCs published by Peter Baris, including Metasploit module exploits/windows/ftp/ftpshell51_pwd_reply.

AI-analyzed exploit summary This exploit leverages a buffer overflow vulnerability in FTPShell Client 6.53 during the initial connection phase. It sets up a malicious FTP server that sends a crafted response containing shellcode and a manipulated EIP to achieve remote code execution.

Description

Remote Code Execution was discovered in FTPShell Client 6.53. By default, the client sends a PWD command to the FTP server it is connecting to; however, it doesn't check the response's length, leading to a buffer overflow situation.

Exploits (2)

exploitdb WORKING POC VERIFIED
by Peter Baris · pythonremotewindows
https://www.exploit-db.com/exploits/41511

This exploit leverages a buffer overflow vulnerability in FTPShell Client 6.53 during the initial connection phase. It sets up a malicious FTP server that sends a crafted response containing shellcode and a manipulated EIP to achieve remote code execution.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: FTPShell Client 6.53
No auth needed
Prerequisites: Network access to the target · Target must initiate a connection to the malicious FTP server
devstral-2 · analyzed Feb 16, 2026 Full analysis →
metasploit WORKING POC GOOD
rubypocwin
https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/ftp/ftpshell51_pwd_reply.rb

This Metasploit module exploits a stack buffer overflow in FTPShell 5.1 by sending an overly long response to a PWD command, overwriting the saved EIP and structured exception handler to achieve remote code execution.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: FTPShell 5.1
No auth needed
Prerequisites: Network access to the target FTP client · FTPShell 5.1 installed on the target system
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Exploit, Third Party Advisory, VDB Entry x_refsource_misc
http://packetstormsecurity.com/files/141456/FTPShell-Client-6.53-Buffer-Overflow.html
Exploit, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/41511/
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/96570

Scores

CVSS v3 9.8
EPSS 0.5031
EPSS Percentile 98.8%
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 6.53
Published Mar 10, 2017
Tracked Since Feb 18, 2026