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Need to factory reset some T26, T28and T46 IP phones without admin password
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SupCryp Offline
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Need to factory reset some T26, T28and T46 IP phones without admin password
Hello,

One of our customers has been attacked. The attackers managed to place a few admin passwords and change the configuration so a long press on OK asks for the password.

They tried admin/admin and admin/(empty password), all returns as incorrect passwords.

They also tried to unplug the power cable, they kept the OK button pressed down while re-plugging in the power cable, same problem.

So we are stuck for now. Any hint ?

Thanks.
06-29-2016 05:14 PM
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imabev Offline
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RE: Need to factory reset some T26, T28and T46 IP phones without admin password
Pressing and holding the "ok" button for 10 seconds resets these phones to factory. It will ask "reset to factory?" - press the button for yes or ok. The only other reason why i think this may not work is that you are resetting to factory but its still getting the provisioning template from the server (with a different password).
07-05-2016 11:02 PM
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SupCryp Offline
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RE: Need to factory reset some T26, T28and T46 IP phones without admin password
Thank you, but no provisioning is used and the attacker managed to put a password PLUS he enabled the phone so it asks for the admin password after you press OK for ten seconds! Wink
07-06-2016 06:13 PM
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