CVE-2025-58300

# CVE-2025-58300 Buffer Overflow PoC (Conceptual) # Target: Huawei Device Management Module # Vulnerability: Buffer overflow in device management module # Note: This is a conceptual PoC demonstrating the vulnerability pattern. # Actual exploitation requires local access to the target device. import struct import sys def generate_overflow_payload(buffer_size=256, overflow_length=512): """ Generate a buffer overflow payload targeting the device management module. The payload exceeds the expected buffer size to trigger overflow condition. """ # Normal expected input (within buffer bounds) normal_input = b"A" * buffer_size # Overflow data that exceeds buffer boundary overflow_data = b"B" * (overflow_length - buffer_size) # Construct the malicious payload payload = normal_input + overflow_data return payload def trigger_vulnerability(): """ Simulate triggering the buffer overflow vulnerability. In a real scenario, this payload would be sent to the vulnerable device management module interface. """ payload = generate_overflow_payload() print(f"[*] Generated overflow payload: {len(payload)} bytes") print(f"[*] Buffer size: 256 bytes") print(f"[*] Overflow length: 512 bytes") print(f"[*] Payload hex (first 64 bytes): {payload[:64].hex()}") # In actual exploitation: # - Send payload to vulnerable device management service # - Observe service crash or unexpected behavior # - Primary impact: Availability (DoS condition) print("[*] Vulnerability triggered - device management module may crash") print("[*] Impact: High availability impact (A:H)") if __name__ == "__main__": trigger_vulnerability() # Exploitation Notes: # - Attack Vector: Local (AV:L) - requires local access to device # - Authentication: Not required (PR:N) # - User Interaction: Not required (UI:N) # - Primary Impact: Denial of Service via buffer overflow # - Severity: CVSS 6.2 (MEDIUM)

{"cve": {"id": "CVE-2025-58300", "sourceIdentifier": "[email protected]", "published": "2025-10-11T10:15:43.380", "lastModified": "2025-10-16T15:22:48.190", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Buffer overflow vulnerability in the device management module. Successful exploitation of this vulnerability may affect availability."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "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}, {"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "baseScore": 5.5, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.8, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-121"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:huawei:harmonyos:5.0.1:*:*:*:*:*:*:*", "matchCriteriaId": "738D803A-C4CE-477B-BC89-CE47351C0A84"}, {"vulnerable": true, "criteria": "cpe:2.3:o:huawei:harmonyos:5.1.0:*:*:*:*:*:*:*", "matchCriteriaId": "E39DE6A6-CBE6-4086-93CD-113D1B3BA730"}]}]}], "references": [{"url": "https://consumer.huawei.com/en/support/bulletin/2025/10/", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}