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    BIOS & FIRMWARE

    • Driver & Tools
    • BIOS & FIRMWARE
    Firmware
    ASUS RT-AX56U Firmware version 3.0.0.4.386_51679
    SUPPORTTABS_VERSION 3.0.0.4.386_51679
    74.82 MB
    2024/05/29

    Security updates:
    Fixed command injection vulnerability.
    Fixed the ARP poisoning vulnerability.
    Fixed code execution in custom OVPN.
    Fixed the injection vulnerability in AiCloud.
    Fixed stack buffer overflow in lighttpd.
    Fixed CVE-2023-35720
    Fixed the code execution vulnerability in AiCloud.
    Fixed the XSS and Self-reflected HTML injection vulnerability.
    *Please be advised that due to a security upgrade in AiMesh, we strongly recommend against downgrading to previous firmware versions, as this may lead to connection issues. Should you encounter any difficulties, resetting the AiMesh router to its default settings and re-establishing the mesh connection can resolve the problem.

    Please unzip the firmware file, and then verify the checksum.
    SHA256: a86c8e003c15419d8c7eb6eab916a9078885682a00d5c7c8d5c07f78ba7694d6

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    ASUS RT-AX56U Firmware version 3.0.0.4.386.51665
    SUPPORTTABS_VERSION 3.0.0.4.386.51665
    74.75 MB
    2023/05/18

    Security updates:
    -Enabled and supported ECDSA certificates for Let's Encrypt.
    -Enhanced protection for credentials.
    -Enhanced protection for OTA firmware updates.
    -Fixed DoS vulnerabilities in firewall configuration pages. Thanks to Jinghe Gao's contribution.
    -Fixed DoS vulerabilities in httpd. Thanks to Howard McGreehan.
    -Fixed information disclosure vulnerability. Thanks to Junxu (Hillstone Network Security Research Institute) contribution.
    -Fixed CVE-2023-28702 and CVE-2023-28703. Thanks to Xingyu Xu(@tmotfl) contribution.
    -Fixed null pointer dereference vulnerabilities. Thanks to Chengfeng Ye, Prism Research Group - cse hkust contribution.
    -Fixed the cfg server vulnerability. Thanks to Swing and Wang Duo from Chaitin Security Research Lab.
    -Fixed the vulnerability in the logmessage function CVE-2023-35086/ CVE-2023-35087. Thanks to Swing and Wang Duo from Chaitin Security Research Lab C0ss4ck from Bytedance Wuheng Lab, Feixincheng from X1cT34m.

    Please unzip the firmware file, and then verify the checksum.
    SHA256: e449985f2b02dc0217b723fa68425da21d033f2b3a6b9f929ca0f920ccdfe30a

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    ASUS RT-AX56U Firmware version 3.0.0.4.386.49380
    SUPPORTTABS_VERSION 3.0.0.4.386.49380
    71.69 MB
    2022/06/23

    1. Fixed OpenSSL CVE-2022-0778
    2. Fixed CVE-2021-34174
    3. Added more security measures to block malware.
    4. Fixed Stored XSS vulnerability. Thanks to Milan Kyselica of IstroSec.
    5. Fixed CVE-2022-23970, CVE-2022-23971, CVE-2022-23972, CVE-2022-23973, CVE-2022-25595, CVE-2022-25596, CVE-2022-25597, CVE-2022-26376
    6. Added 3rd party DNS server list in WAN --> DNS to help users enhance the connection security.
    7. Supported Safe Browsing in the router app to filter explicit content from search results. You can set it in the router app --> Devices or Family.
    8. Improved system stability.

    Please unzip the firmware file first then check the MD5 code.
    MD5: 775b59bae64be20524a11102166faa90

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    ASUS RT-AX56U Firmware version 3.0.0.4.386.45934
    SUPPORTTABS_VERSION 3.0.0.4.386.45934
    71.72 MB
    2021/11/16

    1. Fixed Let's encrypt related bugs.
    2. Fixed httpd and Cfg server DoS vulnerability
    Thanks to Wei Fan from NSFOCUS GeWuLAB.
    3. Fixed stack overflow vulnerability
    4. Fixed DoS vulnerability
    Thanks for the contribution of Fans0n、le3d1ng、Mwen、daliy yang from 360 Future Security Labs

    Please unzip the firmware file first then check the MD5 code.
    MD5:8691cf1edab615b45b2c1f9b3934654e

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    ASUS RT-AX56U Firmware version 3.0.0.4.386.45898
    SUPPORTTABS_VERSION 3.0.0.4.386.45898
    71.18 MB
    2021/10/07

    This version includes several vulnerability patches.
    BusyBox
    - CVE-2016-2148
    - CVE-2016-6301
    - CVE-2018-1000517

    cURL
    - CVE-2020-8169
    - CVE-2019-5481
    - CVE-2019-5482
    - CVE-2018-1000120
    - CVE-2018- 1000300
    - CVE-2018-16839

    Lighttpd
    - CVE-2018-19052

    Linux
    - CVE-2020-14305
    - CVE-2020-25643
    - CVE-2019-19052

    lldpd
    - CVE-2020-27827

    Avahi
    - CVE-2017-6519

    hostapd
    - CVE-2021-30004
    - CVE-2019-16275

    OpenVPN
    - CVE-2020-11810
    - CVE-2020-15078

    wpa
    - CVE-2021-30004
    - CVE-2021-27803
    - CVE-2019-11555
    - CVE-2019-9499
    - CVE-2019-9498
    - CVE-2019-9497
    - CVE-2019-9496
    - CVE-2019-9495
    - CVE-2019-9494
    - CVE-2017-13086
    - CVE-2017-13084
    - CVE-2017-13082
    - CVE-2016-4476
    - CVE-2015-8041

    -Fixed DoS vulnerability from spoofed sae authentication frame. Thanks to Efstratios Chatzoglou, University of the Aegean, Georgios Kambourakis, European Commission at the European Joint Research Centre, and Constantinos Kolias, University of Idaho.
    -Fixed envrams exposed issue. Thanks to Quentin Kaiser from IoT Inspector Research Lab contribution.
    -Fixed AiMesh web page multi-language issues.
    -Fixed Stored XSS vulnerability.
    -Fixed CVE-2021-41435, CVE-2021-41436.
    Thanks to Efstratios Chatzoglou, University of the Aegean
    Georgios Kambourakis, European Commission at the European Joint Research Centre
    Constantinos Kolias, University of Idaho.
    -Fixed Stack overflow vulnerability. Thanks to Jixing Wang (@chamd5) contribution.
    -Fixed information disclosure vulnerability .Thanks to CataLpa from DBappSecurity Co.,Ltd Hatlab and Yao Chen(@ysmilec) of 360 Alpha Lab

    Please unzip the firmware file first then check the MD5 code.
    MD5: 21310304e3674dac16d5780e5c0188db

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    SHOWMOREDESC
    ASUS RT-AX56U Firmware version 3.0.0.4.386.44266
    SUPPORTTABS_VERSION 3.0.0.4.386.44266
    71.6 MB
    2021/07/14

    1. Improved system stability.
    2. Added IPv6+ in WAN-> Internet Connection.
    3. Added Auto firmware upgrade in Administration-->Firwmare Upgrade
    4. Fixed envrams exposed issue. Thanks for Quentin Kaiser from IoT Inspector Research Lab contribution.

    Please unzip the firmware file first then check the MD5 code.
    MD5: a86e0a2edf16fd0b43de8061a88e5838

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    ASUS RT-AX56U Firmware version 3.0.0.4.386.42808
    SUPPORTTABS_VERSION 3.0.0.4.386.42808
    69.11 MB
    2021/05/11

    1. AiMesh 2.0
    - System optimization: one click in AiMesh to optimize the topology
    - System Ethernet backhaul mode, all nodes will only connect by ethernet, all bands will be released for wireless clients.
    - System factory default and reboot.
    - Client device reconnect, make the device to offline and online again.
    - Client device binding to specific AP.
    - Guest WiFi on all Mesh nodes (all node need to upgrade to 3.0.0.4.386 firmware)
    - Access nodes USB application.

    Connection priority and Ethernet backhaul mode introduction
    https://www.asus.com/support/FAQ/1044184

    How to setup ASUS AiMesh or ZenWiFi Mesh Ethernet backhaul under different conditions
    https://www.asus.com/support/FAQ/1044151/

    2. New Family interface in ASUS router App.
    ASUS Router App for iOS must greater or equal to iOS v1.0.0.5.75
    Android version greater or equal to v1.0.0.5.74
    3. The unit of the WiFi time scheduler goes to 1 minute.
    4. Support IPSec IKE v1 and IKE v2, and you can use the Windows 10 native VPN client program to connect to the router's IPSec VPN server. The Windows 10 new FAQ is in https://www.asus.com/support/FAQ/1033576
    5. 2.4 and 5G on the network map could be configured in the same tab.
    6. Captcha for login can be disabled in administration -> system.
    7. Printer server port can be disabled on the USB app page.
    8. Clients which connect to the guest network can be viewed in the network map -->view list --> interface
    9. Fix Lets encrypt not working properly.
    10. Add IPTV supports for specific region.

    Security Fix:
    1. Fixed CVE-2020-25681, CVE-2020-25682, CVE-2020-25683, CVE-2020-25687, CVE-2020-25684, CVE-2020-25685, CVE-2020-25686
    2. Upgrade dropbear to version 2020.81
    3. Fix buffer overflow vulnerability
    4. Fix slowloris denial of service attack.
    5. Fix authentication bypass vulnerability.
    6. Fixed the fragattacks vulnerability.


    Please unzip the firmware file first then check the MD5 code.
    MD5: b564ef0e3950af6966df740cc0d3f47a

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    SHOWMOREDESC
    ASUS RT-AX56U Firmware version 3.0.0.4.384.10290
    SUPPORTTABS_VERSION 3.0.0.4.384.10290
    67.34 MB
    2021/02/03

    - Improved system stability.
    - Fixed Let’s Encrypt not working properly issue

    Please unzip the firmware file first then check the MD5 code.
    MD5: e14b25038a8d4944d22bd5e1b7073150

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    SHOWMOREDESC
    ASUS RT-AX56U Firmware version 9.0.0.4.386.41994 (Beta Version)
    SUPPORTTABS_VERSION 9.0.0.4.386.41994
    SUPPORTTABS_BETA
    68.1 MB
    2021/02/02

    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: 4b40ba34afaa222de0abd0d213796538

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    ASUS RT-AX56U Firmware version 3.0.0.4.384.9428
    SUPPORTTABS_VERSION 3.0.0.4.384.9428
    67.78 MB
    2020/11/26

    - Fix LED abnormal during start up
    - Improve system stability

    Please unzip the firmware file first then check the MD5 code.
    MD5: 273e5a895255012203a57d782c60d8d5

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    SHOWMOREDESC
    ASUS RT-AX56U Firmware version 3.0.0.4.384.8253
    SUPPORTTABS_VERSION 3.0.0.4.384.8253
    66.16 MB
    2020/01/17

    - Improve stability
    - Fix 1024QAM GUI issue

    Please unzip the firmware file first then check the MD5 code.
    MD5: a07ac50c5cf436052c44ad59cf4ead28

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    SHOWMOREDESC
    ASUS RT-AX56U Firmware version 3.0.0.4.384.7764
    SUPPORTTABS_VERSION 3.0.0.4.384.7764
    70.21 MB
    2019/12/17

    - Initial release

    Please unzip the firmware file first then check the MD5 code.
    MD5: 666e5a4bde5a9fef822f12c37e50fd28

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    SHOWMOREDESC
    STR_DC_SEEALLDOWNLOAD
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