ASUS ZenWiFi Pro ET12 Firmware version 3.0.0.6.102_36629 (2025/09/09)

[fax]

ASUS ZenWiFi Pro ET12 Firmware version 3.0.0.6.102_36629
Version 3.0.0.6.102_36629 2025/09/09
SHA-256 ：F0312CFF55EED0D88D639D8AFCE790B67762CB02739ED0E9E61B4579720A5685
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 10 characters with at least 1 letter, 1 digit and 1 special symbol, and no consecutive identical characters; hardens defence 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.
- 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.

 

[bennor]

Link to firmware page:
https://www.asus.com/networking-iot...elpdesk_bios?model2Name=ASUS-ZenWiFi-Pro-ET12

Download: https://dlcdnets.asus.com/pub/ASUS/..._ET12_300610236629.zip?model=ZenWiFi Pro ET12

 

[MisterGriffiths]

When ASUS strongly recommends "performing a factory-default reset to activate every new security adjustment", after installing this update.

Do they mean do a complete fresh rebuild of your mesh system from the ground up or are they meaning for us to backup the config and do a restore after performing the factory reset?

 

[Ripshod]

Do they mean do a complete fresh rebuild of your mesh system from the ground up or are they meaning for us to backup the config and do a restore after performing the factory reset?

It means reset and rebuild. Old backups will have some incompatibilities with the security changes.
It's up to you if you reset or not, but if you don't you won't benefit from the changes.

 

[MisterGriffiths]

Thank you Ripshod.

My goodness that's a daunting task. I've manually named every connected device (nearly 100) and have about 40 manual IPs. Not to mention all the parental controls for my kids devices (with time scheduling) and the devices under the VPN.

Is this something ASUS recommends often when there are firmware updates?

Not sure I have the time to have to keep rebuilding the configuration like this.

 

[RMerlin]

Thank you Ripshod.

My goodness that's a daunting task. I've manually named every connected device (nearly 100) and have about 40 manual IPs. Not to mention all the parental controls for my kids devices (with time scheduling) and the devices under the VPN.

Is this something ASUS recommends often when there are firmware updates?

Not sure I have the time to have to keep rebuilding the configuration like this.

Just change your password if it wasn`t already secure enough, and disable UPnP if you don`t use it. That will cover the most important changes that resetting would apply.

 

[MisterGriffiths]

Just change your password if it wasn`t already secure enough, and disable UPnP if you don`t use it. That will cover the most important changes that resetting would apply.

Thank you