[HOTFIX] Resolve Wi-Fi 7 AP Unexpected Reboot Problem After 7.20p1 Upgrade

Zyxel_HsinBo

We have recently identified an issue affecting certain Wi-Fi 7 AP models. In some cases, specific clients may send unexpected packets during the connection process, which can cause the AP to reboot unexpectedly after upgrading to firmware version 7.20p1. The affected AP models are as follows:

Affected Models:

WBE660S
NWA130BE
WBE530
NWA110BE
NWA210BE
WBE510D
WBE630S

To address this issue, we have prepared a hotfix firmware that is now available for download and upgrade. Installing this version will resolve the unexpected reboot problem seen after upgrading to 7.20p1.

In addition, we're preparing an official firmware update, which will provide a complete fix. We recommend upgrading to the hotfix now to keep your APs stable, and then updating again to the official release once it becomes available.

Upgrade Steps:

Before you start to perform the date firmware upgrade, please go to Nebula web site, navigate to Nebula > Site-wide > Configure > Firmware management as Ignore upgrade firstly to prevent auto upgrade override the provided firmware.

Upgrade via ZON tool:

1. Download and progress the installation of ZON tool. https://www.zyxel.com/zyxel-file/ZON_Utility.zip

2. Connect your laptop to the same network with your AP, then open ZON.exe.

3. Select the “settings” icon on the right side of the bar. And choose the network interface card which you’re using connect to your network.

4. Click the “Clear and rescan” button. Wait until the scan process is complete, you’ll be able to see your AP is listed in the table.*Please ensure the laptop running ZON tool is connect to the same network with correct network interface card selected in settings to scan (Step 3.)

5. Select the AP which plan to upgrade the provided firmware, then click the “Firmware Upgrade” icon.

6. Select the “Local upgrade” option and click “Browse…” to upload the provided firmware. (.bin file), and fill in the password, then press “OK” button to proceed the upgrade.

*Note: If your device is being managed on Nebula, please go to Nebula web site, navigate to Nebula > Configure > Site setting > Device configuration to check your password

Additional upgrade method:

FTP upgrade

Local GUI (*Standalone mode only)



Hotfix Firmware Download Link:

Model	Hotfix Firmware Download Link
WBE660S	WBE660S-720P1-20250820
NWA130BE	NWA130BE-720P1-20250820
WBE530	WBE530-720P1-20250820
NWA110BE	NWA110BE-720P1-20250820
NWA210BE	NWA210BE-720P1-20250820
WBE510D	WBE510D-720P1-20250820
WBE630S	WBE630S-720P1-20250820

If you encounter any other unexpected issues, please do not hesitate to contact us.
We sincerely apologize for any inconvenience this may have caused.