According to the detailed configuration instructions of this wireless router provided by official website, this wireless router has no initial password when it is used for the first time. That is, you need to set the corresponding login password in the login interface that appears when you use it for the first time.

At the same time, if you can't remember the password in the login interface of the router, you can also reset the router by pressing the reset key. Then reset the new login password in the login interface.

Extended data:

Method for resetting login password of TP-LINK TL-WR842N 300M router:

1. After the router is powered on, press and hold the reset key of the fuselage for about 5 seconds.

2. At this time, connect the LAN port of the router to the computer.

3. Enter the login address marked on the back of the computer browser, and then press Enter.

4. In the login interface that appears, you can see that you need to set a new login password. Enter the required password, and then click Login.

5. After the page jumps, you can see that you have logged into the background of the wireless router (the reset router needs to be set to use the Internet).

TPLINK official website -TP-LINK TL-WR842N 300M detailed configuration guide.