Rapid7’s 2026 Global Cybersecurity Summit is now available on-demand.Watch sessions.
Rapid7

module

Yokogawa CS3000 BKFSim_vhfd.exe Buffer Overflow

Disclosed
May 23, 2014
Created
May 30, 2018

Description

This module exploits a stack based buffer overflow on Yokogawa CS3000. The vulnerability
exists in the service BKFSim_vhfd.exe when using malicious user-controlled data to create
logs using functions like vsprintf and memcpy in an insecure way. This module has been
tested successfully on Yokogawa Centum CS3000 R3.08.50 over Windows XP SP3.

Authors

Platform

Windows

Module Options

To display the available options, load the module within the Metasploit console and run the commands 'show options' or 'show advanced':


msf > use exploit/windows/scada/yokogawa_bkfsim_vhfd
msf exploit(yokogawa_bkfsim_vhfd) > show targets
...targets...
msf exploit(yokogawa_bkfsim_vhfd) > set TARGET < target-id >
msf exploit(yokogawa_bkfsim_vhfd) > show options
...show and set options...
msf exploit(yokogawa_bkfsim_vhfd) > exploit

Title
Rapid7 Labs

2026 Global Threat Landscape Report

The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.