Zyxel VPN100 login problems

Jape Posts: 3
First Comment


I have problem with login tried login webui throught lan and when i entered my credentials it says i need change password

But i can't change it says invalid username/password i think there is problem with format of old password

loginname is [email protected] and old password contains special chars like $&

change password dialog turns loginname xxx%40xxx.com ← can this be problem or is it password

Do i have right theory or is that something else?

If i am right tracks how i can proceed?

All Replies

  • Zyxel_Stanley
    Zyxel_Stanley Posts: 1,299
    100 Answers 1000 Comments Friend Collector Sixth Anniversary
     Zyxel Employee

    May I know the current firmware version running on your firewall? If you're experiencing issues, it might be worth trying the latest firmware version to see if it resolves your problem.

  • Jape
    Jape Posts: 3
    First Comment

    Version was 5.32 but how can i update without access to firewall?

    Can you confirm is there any tips get access firewall or need i reset it and configure from zero?

  • Zyxel_James
    Zyxel_James Posts: 486
    Zyxel Certified Network Administrator - Security Zyxel Certified Network Administrator - Nebula Zyxel Certified Sales Associate 50 Answers
     Zyxel Employee

    Hello @Jape

    How about using a serial connection to connect to the firewall?

    You can follow the procedure below to bring the username/password back.

    1. Connect to the firewall via Console port
    2. Reboot the device
    3. Notice when "Press any key to enter debug mode within 3 seconds" appears, and enter in the debug mode
    4. type "atkz -b"
    5. type "atgo" to booting device again.
    6. Now the device will reset to system-default configuration and backup the old startup-config.conf to startup-config-back.conf
    7. Login to the device after boot up, and download startup-config-back.conf
    8. Open startup-config-back.conf and find the below content: username admin encrypted-password $4$encryptedpasswordencryptedpassword$ user-type admin
      In your case, the username could be "xxx%40xxx.com"9.
    9. Change it to username admin password yournewpassword user-type admin and save it
    10. Upgrade the firmware to 4.73P2 or 536P2
    11. Apply startup-config-back.conf to your device after upgrading

  • Jape
    Jape Posts: 3
    First Comment

    I don't have physical access to device so i will go hard way resetting and setuping routing again and after that upgrade firmware and setup settings from backup file. Anyway thanks for help

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