ASUS ZenWiFi BT8
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BIOS & FIRMWARE

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Firmware
ASUS ZenWiFi BT8 Firmware version 3.0.0.6.102_58540
Version 3.0.0.6.102_58540
63.75 MB
2026/08/13
SHA-256 :2DDA8AC2F41B16EEC6636DF8B91CD4226C76DD94BEBBB1734A9D5391C744A208

Bug Fixes and Enhancements
- Support LED scheduler capabilities.
- Improved client list update flow and related UI responsiveness.
- Improved configuration matching accuracy in specific scenarios.
- Improved AiMesh stability.
- Improved IPv6 connectivity stability in selected reboot/reconnect scenarios.
- Fixed specific LAN/UPnP behavior issues after setup.

Security Fixes:
- Applied multiple security hardening updates across system components.
- Improved input validation and request-handling protections in selected paths.
- Included security fixes in affected services/modules (including bundled components).
- Added defenses for memory-safety and injection-related risk patterns.

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ASUS BT8 Firmware version 3.0.0.6.102_58407
Version 3.0.0.6.102_58407
63.36 MB
2026/05/04
SHA-256 :450825F08CFEC825941C5EDD3AE5166F5524D9EC80C1BB3790A43FFFDD2CDF03

Security Fixes
- Enhanced system security by addressing an unsafe remote script execution mechanism in.
- Improved system security by addressing a heap buffer overflow vulnerability during cache handling.
We recommend upgrading to this version to ensure up-to-date protection.

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ASUS ZenWiFi BT8 Firmware version 3.0.0.6.102_58394
Version 3.0.0.6.102_58394
63.36 MB
2026/02/04
SHA-256 :86E8C228827780739D0270A29ECD2283464CFFE026EF57569FB985DD6270BD6E

Improvements:
- Optimized Wi-Fi roaming stability for devices supporting 802.11k but not allowing 11v.
- Improved Wi-Fi roaming compatibility and stability for iOS 26 devices.
- Refined accessibility-related UI and interaction details.
- Improved overall remote connection stability.
- Improved system behavior when using System diagnostic on feedback page.

Bug Fixes:
- Fixed connection failures when using 5GHz 160MHz bandwidth.
- Fixed an issue preventing 5G WPS from enabling correctly.
- Fixed connectivity issues with NOW TV after configuration.
- Fixed incorrect connection status display for certain Wi-Fi devices.
- Fixed AiMesh nodes not displayed correctly in the device list.
- Fixed a disconnection issue that occurred after enabling the MAC Filter.
- Fixed main network connectivity issue when enabling IPv6 for both the main network and Smart Home Network.

Security Enhancements:
- Strengthened input sanitization mechanism
- Enhanced system API validation for stronger protection consistency.
- Strengthened command handling and system resource access controls.
- Improved system logging and security event recording mechanisms.

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ASUS ZenWiFi BT8 Firmware version 3.0.0.6.102_58301
Version 3.0.0.6.102_58301
63.23 MB
2025/12/11
SHA-256 :25D7A3B3EACCDAC33D244C917A2DF493311AEDA78B56D24FEF5ABF7A08788FC0

- Optimized LED accuracy for AiMesh Ethernet onboarding status.
- Fixed temporary disconnections during client roaming via roam-assist.
- Fixed issue where Ethernet devices did not appear in the Main network client List.
- SSH access now correctly restricted to LAN-only when AiProtection is enabled.

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ASUS ZenWiFi BT8 Firmware version 3.0.0.6.102_58273
Version 3.0.0.6.102_58273
63.22 MB
2025/10/23
SHA-256 :C66B6DAAC419E4D5B07847440B4EBEE3D10BE86C2A6948F07071978F3F3918B0

- Enhanced system stability.
- Enhanced input validation and refactored legacy string handling routines to ensure robust memory management.
- Mitigated security risks in AiCloud service by enforcing strict credential verification, implementing robust file path validation, and hardening command execution logic to prevent unauthorized access and manipulation of system resources.
- Implemented comprehensive validation and expanded command filtering in the web history API.
- Strengthened input validation and directory handling in the VPN configuration upload interface.
- Fixed an issue that allowed certain user settings to be bypassed, improving overall user control and protection.

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ASUS ZenWiFi BT8 Firmware version 3.0.0.6.102_58234
Version 3.0.0.6.102_58234
63.22 MB
2025/09/18
SHA-256 :49F3617FD8D0BC804C64EE7F13AC204923F23D1FB4E26C24997C4FCB8593E2BB

Important: After installing this firmware, we strongly recommend performing a factory-default reset to activate every new security adjustment.

Security Enhancements
- Password Policy Upgrade – Minimum of 10 characters, including at least one letter, one digit, and one special character; disallows consecutive identical characters; hardens defense against brute-force attacks.
- HTTPS on 8443 – Management interface now served over TLS by default.
- UPnP Disabled – Universal Plug and Play starts in the off state for reduced surface exposure.
- AiCloud Authentication Hardening (CWE-287) – Added layered verification.
- Authentication Logic Refactor – Removed redundant code paths for a lean sign-in flow.
- Memory Safety Guard (CWE-476) – Introduced null-reference protections across critical services.
- Enhanced IPsec Parameter Validation – The existing input checks have been hardened.
- Data Exposure Mitigation (CWE-200) – Reinforced controls on sensitive pathways.
- Detailed Audit Trails – Expanded logging within the authentication module.

System Improvements
- Connection Stability – Core algorithms refined for steadier links.
- Scheduling Accuracy – Timed tasks execute reliably under PPPoE, PPTP and L2TP WAN modes.
- Client List Maintenance – Resolved an issue that prevented offline devices from being removed from the client list

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ASUS ZenWiFi BT8 Firmware version 3.0.0.6.102_56914
Version 3.0.0.6.102_56914
62.35 MB
2025/06/05
SHA-256 :64AA0C9741DCEEE286312A2F3343BC847B4394F3BE757472DAA3C523B04AAF7D

- Fixed an issue where MLO devices continued to appear in the client list even after the "MLO Fronthaul for Clients" feature was disabled.
- Fixed a UI freeze issue that occurred when switching to the WPS page after unchecking 2.4G (leaving only 5G) for the main network SSID.
- Fixed an issue where changes to the IPSec VPN Server settings could not be saved properly.
- Addressed issues related to the MLO UI.
- Optimized LAN Aggregation settings to enhance network performance and stability.

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ASUS ZenWiFi BT8 Firmware version 3.0.0.6.102_56900
Version 3.0.0.6.102_56900
62.34 MB
2025/05/23
SHA-256 :6358EE5FE349474242F97E2C1678DABC4CD9C3A08CD38A79B884C1C36FA30A3D

Added a "Hide Backhaul SSID" option. Enabling this feature will disable the random SSID.
Support 10G DS-Lite (Xpass and transix)
Support 10G Hikari Cross (v6plus and OCN Virtual Connect)
Optimized the stability of IoT device connections.
Fixed a potential DNS Open Resolver vulnerability
Fixed a potential crash issue related to prolonged usage of AiProtection
Fixed an issue where the SSID was not discoverable by clients when configuring WPA2/WPA3 Enterprise security.
Fixed a problem where Now TV IPTV was unable to obtain an IP address.
Fixed an issue in AiMesh where nodes with poor uplink connection status were not being optimized after any node joined the router.
Fixed a WiFi crash issue caused by certain feature configurations.

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ASUS ZenWiFi BT8 Firmware version 3.0.0.6.102_56839
Version 3.0.0.6.102_56839
62.33 MB
2025/03/19
SHA-256 :4314CBEB6E2B7170442B38604A2EAC4F12A2618ED00F2F03983BF3D7F981BD95

1. Fixed the UI issue in Chrome.
2. Fixed client binding issues in Mesh scenarios.
3. Enhanced input parameter handling techniques to improve data processing stability and system security.
4. Enhance system access control mechanisms.
5. Fixed an issue that allowed clients to ping the router from the Internet when AiProtection was enabled.
6. Resolved the problem where a LAN PC connected to the WAN port of an AiMesh node could not obtain an IP address.
7. Optimized the AiMesh roaming mechanism.

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ASUS ZenWiFi BT8 Firmware version 3.0.0.6.102_56813
Version 3.0.0.6.102_56813
62.32 MB
2025/02/25
SHA-256 :F3F148DFE6F0B1CA56EFDB2C72E08E46585F807518DE72066089BB72ED3BE0A7

New Add
- Added support for the IPv6 Option WAN type.
- WPA Encryption Settings Update. Added new configuration options for WPA encryption, including the option to select AES for improved client compatibility. This setting can be found under "Network > Main Network".

Bug Fixes and Enhancements:
- Improved AiMesh backhaul stability.
- Optimized memory management mechanisms, improving system efficiency and stability.
- Strengthened input validation and data processing workflows, further protecting your information security.
- Improved web rendering engine, enhancing browsing experience and security.
- Enhanced security of system command processing to guard against potential malicious operations.
- Perfected JavaScript-related security mechanisms, offering a more secure web interaction environment.
- Enhanced AiCloud password protection mechanisms, safeguarding against unauthorized access attempts.
- Enhanced input parameter handling techniques to improve data processing stability and system security.
- Enhance system access control mechanisms.
- Fixed the issue where devices do not appear in the client list after connecting to the ASUS router.
- Fixed the malfunction of the "Prefer AP" feature.
- Fixed the connectivity issue with Apple wireless devices.
- Corrected the issue where the wireless network settings page disappears in AP mode on the WebGUI.
- Addressed potential irregularities in AiProtection.

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ASUS ZenWiFi BT8 Beta Firmware version 9.0.0.6.102_56747
Version 9.0.0.6.102_56747
62.32 MB
2025/02/03
SHA-256 :AB2E8793DD4CB70E421738A421AB310BFE42F71E3588ED7F6D779767A7755C39

This Beta version addresses the issue of displaying random SSIDs and improves iPhone connection compatibility. Please ensure that both the AiMesh router and node are updated simultaneously to prevent any connectivity issues between the node and the AiMesh router.
Please refer to FAQ for AiMesh node firmware update.
https://www.asus.com/support/faq/1035199/

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ASUS ZenWiFi BT8 Firmware version 3.0.0.6.102_56746
Version 3.0.0.6.102_56746
62.27 MB
2025/01/16
SHA-256 :A3C2FFF11ACD81EEC7F0FFAAD8A0EB68C14DF8D6AF8ED7E3420504084569E4E7

Enhancements:
Optimized stability and efficiency of the AiMesh system.

Bug Fixes:
Resolved LAN device disconnections after SDN configuration.
Fixed compatibility issues with older models, preventing WiFi malfunctions after SDN settings.
Fixed an issue that could lead to system failures following a reboot.
Fixed UI issues during VPN file export.

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ASUS ZenWiFi BT8 Firmware version 3.0.0.6.102_56236
Version 3.0.0.6.102_56236
61.72 MB
2024/11/18

Please unzip the firmware file, and then verify the checksum.
SHA256: 337324dde8850dde15d0c8fbc5c0ef1ea837bbc5b909545a56a2ff39db209a7c

1. Strengthened input validation and data processing workflows to further protect information security.
2. Enhanced AiCloud password protection mechanisms, safeguarding against unauthorized access attempts.
3. Enhanced device security through improved buffer handling in connection features.
4. Refined data handling processes, ensuring secure and accurate information management.
5. Enhanced file access control mechanisms, promoting a more secure operating environment.
6. Strengthened certificate protection, providing enhanced data security.

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  • Products certified by the Federal Communications Commission and Industry Canada will be distributed in the United States and Canada. Please visit the ASUS USA and ASUS Canada websites for information about locally available products.
  • All specifications are subject to change without notice. Please check with your supplier for exact offers. Products may not be available in all markets.
  • Specifications and features vary by model, and all images are illustrative. Please refer to specification pages for full details.
  • PCB color and bundled software versions are subject to change without notice.
  • Brand and product names mentioned are trademarks of their respective companies.
  • The terms HDMI and HDMI High-Definition Multimedia Interface, HDMI trade dress and the HDMI Logos are trademarks or registered trademarks of HDMI Licensing Administrator, Inc. in the United States and other countries.
    • The actual transfer speed of USB 3.0, 3.1, 3.2, and/or Type-C will vary depending on many factors including the processing speed of the host device, file attributes and other factors related to system configuration and your operating environment.
    • Actual data throughput and WiFi coverage will vary from network conditions and environmental factors, including the volume of network traffic, building material and construction, and network overhead, result in lower actual data throughput and wireless coverage.
    • Quoted network speeds and bandwidth based on current IEEE 802.11ac specifications. Actual performance may be affected by network and service provider factors, interface type, and other conditions. Connected devices must be 802.11ac-compatible for best results.
    • WPA/WPA2 enterprise is only available on single router, is not available under AiMesh mode.
    • When traditional QoS is enabled, there will be limitations due to the actual Internet service bandwidth and different environment, and there may be a risk of speed reduction.
    • Due to the different power supply requirements on USB external hard disk and 4G/5G Modem device, to ensure that the external device can be used stably, if the USB external device exceeds the standard USB 2.0 (5V/500mA) and USB 3.1 Gen 1 (5V/900mA) power supply requirements, you need to use it with an independent external power supply.
    • If you use the product in conjunction with a third party service, you are responsible for complying with the third party provider's terms and conditions and privacy policy and are also at the risk of such use. ASUS does not provide support or guarantee continuous integration support for products that are not part of ASUS.
    • The device is restricted to indoor use only when operating in the 5150-5350 MHz frequency band in certain regions, including the EU, Asia-Pacific countries, Australia, and Canada. Outdoor use in this band may be prohibited or require regulatory approval. Check local regulations before deployment.
    • For models with Time machine support, starting with macOS 26 (Tahoe), Time Machine no longer supports creating new backups on USB-connected storage devices. Existing Time Machine drives that were previously configured remain compatible and can continue to be used for backup and restoration.