Sentry Safe - Flipper Zero Plugin

Plugin exploiting vulnerability to open any Sentry Safe or Master Lock electronic safes.

🔓 Based on the vulnerability described here

📦 Installation

👉 The plugin is now directly available via the Flipper Zero Plugin Manager:
Install from the official Flipper app catalog

Steps:

1. Open the Flipper Zero Plugin Manager on your device (smartphone or browser).
2. Search for Sentry Safe.
3. Tap Install
4. Launch it from the menu on your Flipper.

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🛠 Usage

1. Launch the Sentry Safe plugin.
2. Long-press OK to open the help menu (navigate with Up/Down).
3. Place GPIO wires as shown in the help section.
4. On the main interface:
   • Chose your 5-digit code (or use the default).
   • Select code type:
     • P → Primary code
     • S → Secondary code
5. Press OK to send payload.
6. The safe should emit a beep and unlock.

You can enter 00000 to clear selected code.

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🧰 Manual Build (Optional)

If you prefer to build manually:

1. Clone your target firmware repo (official or custom) with submodules.
2. Clone this plugin into the applications_user/ directory:

   git clone https://github.com/H4ckd4ddy/flipperzero-sentry-safe-plugin applications_user/flipperzero-sentry-safe-plugin
   

3. Build using fbt:

   ./fbt faps APPSRC=applications_user/flipperzero-sentry-safe-plugin
   

4. Retrieve the .fap file from the dist/ directory.

For more info on the build tool, see the official documentation.

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🙏 Thanks

Thanks to ArsLock for the tips and advice.