Daniel Grießhaber created this convenient tool to test your WiFi Security against attackers:

ESPTool

Demonstrate how easy it is to crack a WiFi Password or jam your WiFi so you can’t access the internet.  Designed for education and self-tests.

ESPTool has the following hardware:

• SSD1306 based OLED Display, connected via I2C
• microSD Card Socket connected over the SPI interface
• 3 general purpose buttons
• ESP8266-12E Module
• TPS63031 Buck-/Boost-Converter with an input range from 1.8V – 5.5V
• MCP73831 Single-Cell LiPo Charger Chip
• CP2012 USB to UART converter Chip

The design files and source code are available on GitHub:

dangrie158/ESPTool