Misc/Resetting Unifi Controller Password with MongoDB CLI

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Directions for resetting the admin users password on a Unifi Controller. I did this for a Unifi Network Controller running off of a Windows machine.

Resetting the password

First download the MongoDB CLI tool using either of these two links. I have tested this on older Unifi Controller versions all the way up to version 9.5

Extract the zip file and open it with CMD.exe (not powershell)

Run the following command to print out the admin users username and encrypted password 

mongo.exe --port 27117 ace --eval "db.admin.find().forEach(printjson);"

The output should resemble this: 

CMD> mongo.exe --port 27117 ace --eval "db.admin.find().forEach(printjson);"
[...]
        },
        "x_shadow" : "$6$9Ter1EZ9$lSt6/tkoPguHqsDK0mXmUsZ1WE2qCM4m9AQ.x9/eVNJxws.hAxt2Pe8oA9TFB7LPBgzaHBcAfKFoLpRQlpBiX1",
        "name" : "admin",
        "time_created" : NumberLong(1764786455),
        "email" : "[email protected]",
        "last_login_timestamp" : NumberLong(1764789489),
        "last_login_ip" : "127.0.0.1"
}
[...]

The Unifi controller password is stored encrypted using the SHA512 Crypt(3) $6$ algorithm. Use the command below to change the password for "admin" to be "password". To set a custom password, use a hash calculator to create a new password using SHA512 Crypt(3) $6$. Modify the command below and replace the existing hash ($6$[...]iX1) with the newly generated hash

Hash Calculator: https://tomi.cc/hash/ 

mongo.exe --port 27117 ace --eval ^"db.admin.update^( { \^"name\^" : \^"admin\^" }, { $set : { \^"x_shadow\^" : \^"$6$9Ter1EZ9$lSt6/tkoPguHqsDK0mXmUsZ1WE2qCM4m9AQ.x9/eVNJxws.hAxt2Pe8oA9TFB7LPBgzaHBcAfKFoLpRQlpBiX1\^" } } ^)^"
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