ASUS RT-AC66U Windows 10 32-bit Drivers

Utilities

ASUS Firmware Restoration version 2.1.0.3 OS support: Windows XP/7/8/8.1/10/11
Firmware Restoration is used on an ASUS Wireless Router that failed during its firmware upgrading process. It uploads the firmware that you specify.

NOTE: This is not a firmware upgrade utility and cannot be used on a working ASUS Wireless Router. Normal firmware upgrades must be done through the web interface. Download

ASUS Firmware Restoration version 2.1.0.2 OS support: Windows XP/7/8/8.1/10
Firmware Restoration is used on an ASUS Wireless Router that failed during its firmware upgrading process. It uploads the firmware that you specify.

NOTE: This is not a firmware upgrade utility and cannot be used on a working ASUS Wireless Router. Normal firmware upgrades must be done through the web interface. Download

ASUS Device Discovery version 1.4.8.0 - Increase stability and removed vulnerable driver.
OS support : Win XP, Win 7, Win8, Win10 Download

ASUS Download Master Utility 2.2.2.8(for Windows) Support OS : Windows XP/Vista/7/8/8.1/10
Language: English / Traditional Chinese / Simplified Chinese Download

ASUS Firmware Restoration version 2.0.0.0 OS support: Windows XP/Vista/7/8/8.1/10
Firmware Restoration is used on an ASUS Wireless Router that failed during its firmware upgrading process. It uploads the firmware that you specify.

NOTE: This is not a firmware upgrade utility and cannot be used on a working ASUS Wireless Router. Normal firmware upgrades must be done through the web interface. Download

ASUS Device Discovery version 1.4.7.1 You can use the device discovery tool to find the IP address of wireless router.

OS Support: Windows XP/Vista/7/8/8.1/10 Download

Utility supports MFP (Multi-function Peripheral, MFP or All-in-One Printer) version 1.0.5.5 This utility can help you set up the USB printer to connect to the router, and use EZ printer sharing in Windows OS.

Please refer the supported printers list as following link:
http://event.asus.com/2009/networks/printersupport

OS Support:Windows XP/Vista/7/8/8.1/10 Download

Firmware

ASUS RT-AC66U Firmware version 9.0.0.4.382.52503 (Beta Version) Security Fixed:
Fixed CVE-2020-25681, CVE-2020-25682, CVE-2020-25683, CVE-2020-25687, CVE-2020-25684, CVE-2020-25685, CVE-2020-25686

Please be noted this is a quick fix beta version for DNSmasq vulnerabilities. Refer to "Method 2: Update Manually" in https://www.asus.com/support/FAQ/1008000 to update this firmware.

Please unzip the firmware file first then check the MD5 code.
MD5: 8005a652d488386e5f99367a170885a4 Download

ASUS RT-AC66U Firmware version 3.0.0.4.382.52287 - Fixed CVE-2020-12695 (CallStranger)
- Fixed Reflected XSS vulnerability.
- Fixed Directory traversal vulnerability.
- Fixed CVE-2017-15653.

Please unzip the firmware file first then check the MD5 code.
MD5: cf553ed9a9bdba773204d3479d4080b8 Download

ASUS RT-AC66U Firmware version 3.0.0.4.382.52272 - Fixed CVE-2018-20334
- Fixed CVE-2018-20336
- Fixed null pointer issue.
- Fixed DDoS vulnerability.
- Fixed command injection vulnerability.
- Fixed buffer overflow vulnerability.
- Updated OTA function.

Please unzip the firmware file first then check the MD5 code.
MD5: d826c8690a555c6b8771d56d9721241f Download

ASUS RT-AC66U Firmware version 3.0.0.4.382.51641 - Fixed a DDoS vulnerability

Please unzip the firmware file first then check the MD5 code.
MD5: 8d503c3d4bf34578acc16ddfeb09cb83 Download

ASUS RT-AC66U Firmware version 3.0.0.4.382.51640 - Fixed firmware update notification bugs.

- Fixed dual wan user interface bugs.

Please unzip the firmware file first then check the MD5 code.
MD5: b86747a92cbeb3e875890cc18aa5a6ac Download

ASUS RT-AC66U Firmware version 3.0.0.4.382.51634 Security Fix
- Fixed DDoS vulnerability.
- Fixed AiCloud vulnerability. Thanks for Matt Cundari's contribution.
- Fixed command injection vulnerability. Thanks for S1mba Lu's contribution.
- Fixed buffer overflow vulnerability. Thanks for Javier Aguinaga's contribution.
- Fixed CVE-2018-20334
- Fixed CVE-2018-20336
- Fixed null pointer issue. Thanks for CodeBreaker of STARLabs’ contribution.
- Fixed AiCloud buffer overflow vulnerability. Thanks for Resecurity International's contribution.

Please unzip the firmware file first then check the MD5 code.
MD5: c1448ef95d65b8e08b7a38dde53394c9 Download

ASUS RT-AC66U Firmware version 3.0.0.4.382.50470 - Support multi-language (UTF-8) network name
(Windows XP and Windows 7 do not support UTF-8 format SSID. These two OS may see gibberish if using multi-language SSID.)
- Improved system stability.
- Improved compatibility for IntelⓇ CentrinoⓇ 802.11ac card.
- Fixed XSS vulnerability. Thanks to Yonghui Han of Fortinet's FortiGuard Labs.
- Fixed CVE-2018-8877, CVE-2018-8878, CVE-2018-8879
- Fixed plain text password vulnerability in lighttpd.
- Modified Quick Internet Setup wizard process.
- Main SSID and guest network can hide independently.
- Fixed AiCloud login issue.

Please unzip the firmware file first then check the MD5 code.
MD5: 06bce3dbe93c5db13f2d8ecea3b912fc Download

ASUS RT-AC66U Firmware version 3.0.0.4.380.8228 - Fixed information disclosure vulnerability. Thanks to Haitan Xiang and Fand Wang.
- Fixed CVE-2018-5721 Stack-base buffer overflow vulnerability
- Fixed CVE-2018-8826 remote code code execution vulnerability. Thanks to Chris Wood.
- Fixed CVE-2018-5999 HTTP authorization bypass and CVE-2018-6000. An independent security researcher has reported this vulnerability to Beyond Security’s SecuriTeam Secure Disclosure program
- Fixed remote code execution vulnerability. Thanks to David Maciejak of Fortinet's FortiGuard Labs

- Fixed CVE-2017-14491: DNS - 2 byte heap based overflow
- Fixed CVE-2017-14492: DHCP - heap based overflow
- Fixed CVE-2017-14493: DHCP - stack based overflow
- Fixed CVE-2017-14494: DHCP - info leak
- Fixed CVE-2017-14495: DNS - OOM DoS
- Fixed CVE-2017-14496: DNS - DoS Integer underflow
- Fixed CVE-2017-13704: Bug collision
- Fixed AiCloud 2.0 Reflected XSS Vulnerability. Thanks to Guy Arazi and Niv Levi contribution.

Thanks to Guy Arazi for following vulnerabilities.
- AiCloud 2.0 Stored XSS Share link manager.
- AiCloud 2.0 Reflected XSS - "share a link"
- Download Master HTTP service DoS vulnerability.
- Download Master Reflected XSS Main login.

Please unzip the firmware file first then check the MD5 code.
MD5: 58e62e7543c0a7c5f7d5f6ce12f7acc3 Download