Network + CVE Tools - Flutter App

A comprehensive integration of Network Tools and CVE Search (powered by the NIST NVD API).

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📱 Features

Network Tools

• Ping IPv4 / IPv6 / TCP
• DNS Lookup & Reverse DNS
• HTTP Headers
• Port Range Scan (common ports)
• Network Info (public IP, geolocation)
• Subnet Calculator & Subnet Scan
• Hex Calculator (NEW)
• Random Password Generator (NEW)
• SSL Scan, Secure DNS, Dig, Is it up?, IDN ↔ ACE, Spam Check
• Whois / RDAP
• And more...

CVE Search (NEW - Integrated)

• News Feed: Real-time latest HIGH/CRITICAL CVEs from NVD
• Search: Search by keyword (e.g., "Apache", "Log4J2") or direct CVE-ID
• Detail View: Score, CWE, CVSS v3 breakdown (Attack Vector, Complexity, etc.)
• Share & Copy: Quickly share CVE info to other apps
• Powered by the NIST National Vulnerability Database API v2.0

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🚀 Setup & Run

Prerequisites

flutter --version  # Minimum Flutter 3.10+

1. Install Dependencies & Generate Env

cd Pingnet_cve
flutter pub get
# Create a .env file for the API Key (Optional)
echo "NVD_API_KEY=" > .env
# Run build_runner to generate the Env class
dart run build_runner build -d

2. Download Fonts (SpaceMono)

Create a fonts/ folder in the project root and download it from Google Fonts:

mkdir fonts
# Download SpaceMono-Regular.ttf and SpaceMono-Bold.ttf
# from https://fonts.google.com/specimen/Space+Mono
# Place them in the fonts/ folder

Or change the font in main.dart to Flutter's default fallback font:

fontFamily: 'monospace',  // fallback without custom font

3. Run on Device/Emulator

flutter run

4. Build APK

flutter build apk --release
# The APK is located at build/app/outputs/flutter-apk/app-release.apk

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🔑 NVD API Key (Optional but Recommended)

Without an API key, the NVD limits requests to ~5 requests per 30 seconds. With a free API key, you get a much higher rate limit for faster and uninterrupted requests.

1. Register at: https://nvd.nist.gov/developers/request-an-api-key
2. Create a .env file in the root folder of the project.
3. Add your key:

NVD_API_KEY=YOUR_KEY_HERE

4. Run dart run build_runner build -d to generate the envied configuration. The API Key will be obfuscated automatically for maximum security.

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📁 Project Structure

lib/
├── main.dart                  # App entry point, themes
├── screens/
│   ├── home_screen.dart       # Main screen (Network + CVE buttons)
│   ├── cve_search_screen.dart # CVE Search + News Feed
│   ├── cve_detail_screen.dart # CVE Detail with CVSS breakdown
│   ├── ping_result_screen.dart
│   ├── dns_screen.dart        # DNS, Traceroute, PortScan, HTTP, Whois, Geo
│   └── network_info_screen.dart
│   └── speed_test_screen.dart # Speed Test tool
├── models/
│   └── cve_model.dart         # CVE data model + NVD JSON parser
├── services/
│   └── nvd_service.dart       # NVD API calls
└── widgets/
    ├── tool_button.dart       # Reusable tool button
    └── host_input.dart        # Host input with dropdown

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🎨 Design

• UI Style: Modern Glassmorphism Dashboard, Soft Gradients, Premium Aesthetics
• Font: Space Mono (monospace, tech aesthetic)
• Color Scheme: Teal (#006B7A) for Ping tools, Orange (#FF6B35) for CVE
• Dark Mode: Full support, deep contrast colors
• Navigation: Grouped features (Network Tests, Analysis, Info, Utils, etc.)
• CVE Search Button: Highlighted with a gradient + pulse animation

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⚠️ Notes

• The ICMP Ping feature might require root access on some Android devices.
• Port scan is done via TCP connect (not raw sockets).
• Traceroute is not fully supported on mobile platforms due to operating system limitations.
• The NVD API can occasionally be slow or unresponsive when the NIST servers are busy.