{Router }{beetal 450ct3 pre share key is hidden }

Hai frnds I am a big prob I using the router named beetal 450ct3 their is no option in wlan <security<enable<show <preshare key because the pre share key is hidden so any body plz give some useful ans how that password if their is no and its means this is a bug in router I not want to reset it
Thanks in advance friends and mods plz give appreciation

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