The original firmware contained hard-coded credentials in clear text. This allowed unauthenticated remote attackers to potentially execute commands with full root privileges The Solution:
: Click a button labeled Check for Updates if available. If the system finds a newer version, follow the on-screen prompts to "Update".
Most users don't notice a firmware update until their Wi-Fi drops for 3 minutes at 2:00 AM. However, build 2.15.4 is different. Unlike previous "stability" patches, this update modifies the and the TR-069 remote management stack .
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