驗證網址zyxel.nas-central.org安全性

Telnet backdoor - NAS-Central Zyxel Wiki

Backdoor You can open a telnet backdoor by pressing the reset button for about 6 seconds (until you hear the second beep). This backdoor will close after about 2 minutes without activity. On newer firmwares (>3.23?) this backdoor is closed, but now there ...

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