Arduino Yun / Yun Rev2 — Default Password
Default username and password for the Arduino Yun / Yun Rev2: (blank) / arduino. Learn how to log in at 192.168.240.1 and how to change the default credentials.
The Arduino Yun and Yun Rev2 create a Wi-Fi access point named ArduinoYun-XXXXXXXXXXXX on first boot. The web configuration panel (at http://192.168.240.1 or http://arduino.local) and SSH root access both use the default password 'arduino' with no username field on the web form. Changing this password is strongly recommended after initial setup. The Yun runs an OpenWrt-based Linux stack alongside the AVR microcontroller.
| Username | Password | Access | Notes |
|---|---|---|---|
(blank / none) | arduino | Web UI | Web configuration panel — password-only form, no username field. URL: http://192.168.240.1 or http://arduino.local. |
root | arduino | SSH | SSH root access to the embedded OpenWrt Linux system. |
- Default IP
- 192.168.240.1
Responsible use
This database lists publicly documented default credentials so administrators can find and change them. Only use these on systems you own or are authorized to test.
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