CVE-2026-42920 F5 BIG-IP TMM拒绝服务漏洞

import socket # PoC Concept for CVE-2026-42920 # Note: The specific payload is undisclosed. # This script demonstrates sending UDP data to a target. target_ip = "192.168.1.1" target_port = 443 # Create a UDP socket sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) # In a real exploit scenario, this payload would be crafted to trigger # the TMM termination when "Allow Dynamic Record Sizing" is enabled. # Since the traffic is undisclosed, we send a placeholder payload. payload = b"\x00" * 100 try: sock.sendto(payload, (target_ip, target_port)) print(f"Payload sent to {target_ip}:{target_port}") except Exception as e: print(f"Error: {e}") finally: sock.close()