The following code is for security research and authorized testing only.
python
# CVE-2025-66334 PoC - Huawei Office Service DoS
# Description: Denial of service vulnerability in Huawei Office Service
# CVSS: 3.3 (AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)
import os
import time
import subprocess
import sys
def check_vulnerability():
"""
Check if Huawei Office Service is installed and vulnerable
"""
print("[+] Checking for Huawei Office Service installation...")
# Common installation paths for Huawei Office Service
paths = [
r"C:\Program Files\Huawei\Office\OfficeService.exe",
r"C:\Program Files (x86)\Huawei\Office\OfficeService.exe",
"/opt/huawei/office/OfficeService",
"/usr/local/huawei/office/OfficeService"
]
for path in paths:
if os.path.exists(path):
print(f"[+] Found Huawei Office Service at: {path}")
return True
print("[-] Huawei Office Service not found")
return False
def trigger_dos():
"""
Trigger DoS condition in Huawei Office Service
Note: This is a conceptual PoC. Actual exploitation requires
specific crafted input based on the vulnerability details.
"""
print("[+] Attempting to trigger DoS condition...")
print("[!] This requires local access and user interaction")
print("[!] Attack vector: Local (AV:L)")
print("[!] User interaction required: Yes (UI:R)")
# The actual DoS trigger would involve:
# 1. Creating a specially crafted document or request
# 2. Having the user open/access it through Office Service
# 3. Service enters error state or crashes
# Example trigger method (conceptual):
# - Craft malicious document that triggers parsing error
# - Force service to process the document
# - Service becomes unresponsive or terminates
print("[-] Detailed PoC not available - requires further analysis")
print("[-] Refer to official Huawei security advisory for details")
if __name__ == "__main__":
print("=" * 60)
print("CVE-2025-66334 PoC - Huawei Office Service DoS")
print("=" * 60)
if not check_vulnerability():
print("[-] Target not vulnerable or service not installed")
sys.exit(0)
print("\n[+] Target appears to be installed")
trigger_dos()