ASUS RT-AC66U B1 Firmware version 3.0.0.4.380.4164

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Note: This is for Model RT-AC66U_B1, dual core with the USB3 port in the front of the router.
https://www.asus.com/Networking/RT-AC66U-B1/HelpDesk_Download/
ASUS RT-AC66U B1 Firmware version 3.0.0.4.380.4164
Security related
- Updated OpenSSL library to 1.0.2j to fix security issues.
- Updated Dropbear SSH to 2016.74 to fixe security issues.
- Fixed a security vulnerability regarding XSS.
- Fixed a security vulnerability regarding CSRF.
- Added protection for Brute-force attack.

Bug fixed
- Fixed Chrome, Edge and IE compatibility issues.
- Fixed quick internet setting wizard compatibility issues.
- Fixed NAT issue caused by UPnP media server.
- Fixed dual wan issues in PPPoE or PPTP or L2TP + DHCP environment.
- Fixed AiCloud related issues.
- Fixed AP mode interoperability issues

Modified
- Updated NAT Acceleration setting help message.
- Supported Google DDNS support .
- Modified the Quick Internet Setting wizard behavior to enhance compatibility.
- Enabled smart sync under AP/Media Bridge/ Repeater mode.
- Supported new 3G/LTE USB dongle Docomo L-03D.

 

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There may be some issues with this release. Firefox has problems opening some of the pages, QOS Monitor and USB Applications. My NAS started sending out not connected emails every few hours. Reflashed, factory reset, no change. Web browsing seems slower, too.

 

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Ping and WOL are broken on this version.