Developer 0x1iii1ii has resumed development of PS5-Server , a software originally developed by Stooged that uses the ESP microcontroller to create a local Wi-Fi server.

This server allows you to run exploits on the PlayStation 5 kernel running firmware versions between 3.xx and 6.xx, such as LightningMods ‘ fork of idlesauce with etaHEN .

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PS5-Server simply redirects HTTPS requests (e.g. User Guide) to an internal HTTP page, while UMTX2 Exploit Offline Host offers a similar but optimized method for more ESP devices.

Supported Devices

• ESP8266 : For example, D1 Mini PRO (160MHz CPU required for PS5-Server).
• ESP32 / ESP32 Dongle .
• ESP32-S2 / ESP32-S2 Dongle .
• ESP32-S3 / LILYGO T-Dongle-S3 .

Note : The ESP device must have 4 MB or more flash memory .

Installation and use

Here are the steps to setup and use PS5 UMTX2 Exploit Offline Host (or PS5-Server, with some variations):

Necessary materials

• A supported ESP device (ESP8266, ESP32, ESP32-S2, ESP32-S3).
• Computer for firmware flashing.
• PS5 with firmware 3.xx or 4.xx.
• USB cable to connect the ESP to the computer.

Steps

• Download the firmware for your ESP device .

Flash the file .binto the ESP

• Download and install NodeMCU PyFlasher (available for Windows, macOS, Linux).
  • Connect the ESP device to your computer via USB.
  • Open NodeMCU PyFlasher:
  • Select the ESP COM port.
  • Please upload the correct file .bin.
  • Check the “Wipe all data” option .
  • Leave the other settings as default.
  • Click “Flash” to upload the firmware.

Connect to the ESP Wi-Fi network

• Turn on the ESP device after flashing.
• On PS5, go to Settings > Network > Set Up Internet Connection > Use Wi-Fi .

Find the network created by the ESP

• SSID : PS5_ESP_HOST(for ESP8266) or PS5_ESP32_HOST(for ESP32/ESP32-Sx).
• Password : 12345678.

Launch the exploit

• Option 1 : Use the package esphost_media.pkg. Load and install it on your PS5 via USB, then boot it.
• Option 2 : Open a browser on your PS5 (or a device connected to your ESP network) and go to 10.1.1.1.
• Option 3 : Go to Settings > User Guide, Health & Security on your PS5. The prompt will redirect to the exploit page.
• The exploit (UMTX2 or etaHEN) should load automatically.

Result

• If everything works as expected, you will see a message or interface confirming that the exploit was executed.

PS5 Server (ESP8266 D1 Mini PRO) Specific Notes

• Set the CPU frequency to 160 MHz if you are using Arduino IDE to upload custom firmware.
• It may require a .ino code instead of a .bin , depending on the version.

Links and downloads

Download: 0x1iii1ii_ESP32S2_etaHEN2.0B.UMTX2.PS5.2025-3-26.bin (4 MB)

Download: 0x1iii1ii_ESP32_etaHEN2.0B.UMTX2.PS5.2025-3-26.bin (4 MB)

Download: 0x1iii1ii_ESP8266_etaHEN2.0B.UMTX2.PS5.2025-3-25.bin (4 MB)

Download: esphost_media.pkg (1.2 MB)

Download: NodeMCU-PyFlasher.exe (18 MB)

Download: Source code PS5-Server v0.2

Source: x.com