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NebulaFlex Switch CX4800 Series - V2.00 Patch 0 Firmware Release
Zyxel Switch CX4800 Series Release Note January 2026 FA-OS Firmware Version on all models (Click Hyperlink to download the firmware directly) Zyxel CX4800-56F - V2.00(ACJN.0)C0 New Feature and Enhancements 1 [Standalone, Nebula] Support stacking capability for network resiliency up to 2 units. 2 [Standalone, Nebula]…
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[Trade-Up Program] Say Goodbye to Legacy USG, Hello to Next-Level Security!
Time to Trade Up: Upgrade Your Legacy USG and Unlock a Powerful New Experience Is your Legacy USG device holding your network back? Our Trade-Up Program is your chance to leap into the next era of secure networking—smarter, faster, and cloud-managed. About the Trade-Up Program Our Trade-Up Program provides a streamlined…
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Do APs managed by the FLEX H controller support the whitelist MAC filter function
Starting from uOS version v1.36, APs managed by the FLEX H controller support the whitelist MAC-filter feature (also known as the Policy Client function). To use this capability, please ensure both the FLEX H controller and the managed APs are upgraded to v1.36 or later.
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Join the IAP500BE Beta Program – Experience the Future of Industrial WiFi
We’re excited to announce the upcoming Beta Program for our new IAP500BE, an industrial-grade WiFi 7 access point built for industrial environments and smart infrastructure applications. This new model is designed to deliver robust performance scenarios from smart homes to industrial sites. What Makes This Beta Special…
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[Release Note] Zyxel Access Point - V7.20 Patch 3 firmware has been released
BE Series Access Points Firmware Release Note October 2025 Overview This document provides firmware release information on Zyxel Access Points platforms, introduce new Access Points, new features and enhancements, bug fix, known issues and workarounds information for Release V7.20 Patch 3 C0. Supported Platforms (Click…
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[Important Announcement] End of FTP Service Support for Home NAS Series
Dear Users, To provide a more secure and reliable service experience, we would like to inform you that FTP service support for the Home NAS series will be officially discontinued at the end of December 2025. Please take the necessary steps in advance to prepare for this change using the workaround provided below. Timeline…
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USG FLEX H Series - V1.36 Patch 0 Firmware Release
Zywall USG FLEX H Series Release Note October 2025 Firmware Version on all models * Please use the cloud firmware upgrade function to upgrade USG FLEX H Series USG FLEX H SeriesFirmware…
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NebulaFlex Switch GS1915 Series - V4.70 Patch 5 Firmware Release
Zyxel Switch GS1915 Series Release Note November 2025 Firmware Version on all models (Click Hyperlink to download the firmware directly) Zyxel GS1915-8 - V4.70(ACAP.5)C0 Zyxel GS1915-8EP - V4.70(ACAQ.5)C0 Zyxel GS1915-24E - V4.70(ACDR.5)C0 Zyxel GS1915-24EP - V4.70(ACDS.5)C0 New Feature and Enhancements 1. [Nebula 19.10]…
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NebulaFlex Switch GS1350 Series - V4.90 Patch 3 Firmware Release
Zyxel Switch GS1350 Series Release Note November 2025 Firmware Version on all models (Click Hyperlink to download the firmware directly) Zyxel GS1350-6HP - V4.90(ABPI.3)C0 Zyxel GS1350-12HP - V4.90(ABPJ.3)C0 Zyxel GS1350-18HP - V4.90(ABPK.3)C0 Zyxel GS1350-26HP - V4.90(ABPL.3)C0 New Feature and Enhancements 1. [Nebula…
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Switch GS1200v3 Series - V1.00 Patch 2 Firmware Release
Zyxel Switch GS1200v3 Series Release Note November 2025 Firmware Version on all models (Click Hyperlink to download the firmware directly) Zyxel GS1200-5v3 - V1.00(ACPS.2)C0 Zyxel GS1200-8v3 - V1.00(ACPT.2)C0 Zyxel GS1200-10v3 - V1.00(ACPW.2)C0 Zyxel GS1200-5HPv3 - V1.00(ACPU.2)C0 Zyxel GS1200-8HPv3 - V1.00(ACPV.2)C0 New…
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[Release Note] Zyxel Access Point - V7.25 Patch 2 firmware has been released
Access Points Firmware Release Note November 2025 Overview This document provides firmware release information on Zyxel Access Points platforms, introduce new Access Points, new features and enhancements, bug fix, known issues and workarounds information for Release V7.25 Patch 2 C0. Supported Platforms (Click Hyperlink to…
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NebulaFlex Switch GS1920 Series - V5.00 Patch 2 Firmware Release
Zyxel Switch GS1920 Series Release Note October 2025 Firmware Version on all models (Click Hyperlink to download the firmware directly) Zyxel GS1920-8HPv2 - V5.00(ABKZ.2)C0 Zyxel GS1920-24v2 - V5.00(ABMH.2)C0 Zyxel GS1920-24HPv2 - V5.00(ABMI.2)C0 Zyxel GS1920-48v2 - V5.00(ABMJ.2)C0 Zyxel GS1920-48HPv2 - V5.00(ABMK.2)C0 New…
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Zywall USG FLEX Series & ATP Series - V5.41Patch 0 Firmware Release
Zywall USG FLEX Series & ATP Series Release Note October 2025 Firmware Version on all models (Click the hyperlink to find the firmware file directly) FLEX SeriesDownload linkATP SeriesDownload…
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NebulaFlex Switch XGS1930 Series - V5.00 Patch 0 Firmware Release
Zyxel Switch XGS1930 Series Release Note July 2025 ZyNOS Firmware Version on all models (Click Hyperlink to download the firmware directly) Zyxel XGS1930-28HP - V5.00(ABHS.0)C0 Zyxel XGS1930-28 - V5.00(ABHT.0)C0 Zyxel XGS1930-52HP - V5.00(ABHV.0)C0 Zyxel XGS1930-52 - V5.00(ABHU.0)C0 New Feature and Enhancements 1.…
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NebulaFlex Switch XS3800 Series - V4.80 Patch 4 Firmware Release
Zyxel Switch XS3800 Series Release Note October 2025 ZyNOS Firmware Version on all models (Click Hyperlink to download the firmware directly) Zyxel XS3800-28 - V4.80(ABML.4)C0 New Feature and Enhancements 1. [Nebula 19.10] Support Port advisor. 2. [Nebula 19.20] VLAN ingress check enabled by default. Bug Fix Bug fixCS1.…
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[Release Note] Nebula Control Center - 19.20 software Release!
Zyxel Nebula Control Center Release Note Common NCC (Organization,Site-wide,etc.): * Rename Clone to Replicate and added support for Site-wide configurations by each product line such as AP, SW, FW and Site settings in Org-wide management use. (Nebula Pro Pack license is required) * Strengthened backup & restore…
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Security appliance backup & restore adjustment in NCC 19.20 Release
Dear Nebula MSP users: NCC will receive its 19.20 update on October 20th. As part of this release, we are making changes to the [MSP – Backup & Restore] feature. Specifically: Create a new “Site” tab – where users can create configuration backup for each site (including configuration for all devices i.e., AP, Switch and…
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NebulaFlex Switch GS2220 Series - V5.00 Patch 2 Firmware Release
Zyxel Switch GS2220 Series Release Note September 2025 Firmware Version on all models (Click Hyperlink to download the firmware directly) Zyxel GS2220-10 - V5.00(ABRO.2)C0 Zyxel GS2220-10HP - V5.00(ABRP.2)C0 Zyxel GS2220-24 - V5.00(ABRQ.2)C0 Zyxel GS2220-28HP - V5.00(ABRR.2)C0 Zyxel GS2220-50 - V5.00(ABRS.2)C0 Zyxel…
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Passkeys: A Seamless, Passwordless Login to your Zyxel Account
1. Benefits and User Guide for Passkey A Passkey is a new sign-in method that lets you securely log in to websites and apps the same way you unlock your device, using a fingerprint, face recognition, or a device password. This feature allows all users to securely log in to their Zyxel Account, regardless of whether they…
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Switch RGS200-12P - V2.00 Patch 1 Firmware Release
Zyxel Switch RGS200-12P Release Note September 2025 Firmware Version on all models (Click Hyperlink to download the firmware directly) Zyxel RGS200-12P - V2.00(ABEP.1)C0 *Do not downgrade to old firmware version prior to v2.00(ABEP.0)C0, since the algorithm on the new firmware version will cause login inaccessible. New…
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USG FLEX 200H - Import Certificates is broken. ( Error code: 11 )
USG FLEX 200H, firmware V1.21(ABWV.0)ITS-24WK35-m5760 When I try to import certificate the following error occurs: This error message happens for all accepted formats I tried to import. PEM (Base-64) encoded X.509 Binary PKCS#7 PEM (Base-64) encoded PKCS#7 Binary PKCS#12 Did not try Binary X.509…
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Help to understand
Can someone explain for me what the meaning to show what I have circulated with yellow. I have a mesch network controlled with Nebula. Al ap,s are in mesh mode except the root which is connected to the router Most devices are connected with WiF and on my switch I have two devices. But it look like that a device are as well…
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Disconnect after DCS
I have several NWA 50 ax and they have been working fine for a long time. But recently some of my WiFi devices have dropped connection after DCS set to 3 in the morning. See below To get them connected again I need to restart them. what could have happened. Nebula mesh network what as well mean the red lines below the…
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XGS1935-28 loosing parts of settings after a reboot
The Switch is in standalone mode. Boot Version ZyNOS F/W Version V1.00 | 05/30/2024 V4.90(ACJW.0) | 07/02/2024 When I reboot, some Switch settings get lost. All Green Ethernet settings are set to off. Was on while save config Also the CPU Protection settings are disabled. Bug or feature? EDIT_1: I see there is a newer…
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XMG1915-10E Wake on LAN
I 've problems with 2x XMG1915-10E switch related to wake on lan to connected clients - at least on the 2.5 Gbit port. Because clients on a via sfp+ port connected XGS1210-12 switch can be waked up. In the manual I didn't find a solution. Could it be the speed auto-negotiation or green ethernet? But I changed this setting…
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FQDN objects not resolving
We seem to have discovered an issue with the method used to resolve DNS hostnames on the USGs, affecting both uOS and previous ZLD based firewalls. Over the last couple of months we are running into issues with certain FQDN objects that will not properly resolve to an IP. Doing a bit of research, it seems some internet DNS…
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FQDN stopped update IP lookup
USG FLEX 700H V1.36(ABZI.0) For some reason FQDN are not being lookup any more when I test on FLEX 200H thats fine to the same DNS. Like I put in pingbox1.thinkbroadband.com for a rule but the FLEX700H will not DNS for it. Not rebooted yet
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NWA50BE PRO Problem with 6GHz
If I change the bandwidth from 320 to 160, I lose the 6 GHz net?
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Problemi co zixel 505
Salve ho dei problemi con il mio modem zixel 505. Appena comprato non riesco a connettere la stampante Epson e la connessione mi cade sempre Ho contattato il centro assistenza mi hanno detto di fare aggiornamento al firmware ma non so neanche come fare qualcuno può aiutarmi grazie
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[USG Flex H] - Cannot use Policy Control between devices in the same Zone
Hello everyone, I've the Zyxel NWA130BE as AP and I've created a VLAN zone for smart devices. Between the AP and the USG Flex 200HP I've a third party 2.5Gbit Switch that manage the VLAN (as switching). This is the VLAN configuration into the switch: And this is the VLAN definition into the FW: The "turning" table is: The…
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100H - block external IP address ... not all IP's are blocked !
Hello All, I blocked several external IP adresses and found that most of them are not really blocked via "external block list". Firmware is "V1.36(ABXF.0)". Example IP 209.38.78.160: IP address blocked via "external block list" "IP reputation" - IP-addess not blocked - in Log / events under note as "ACCESS FORWARD". IP…
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Change default NSlookup query type for Zyxel firewall
User @p4_greg mentioned the potential issue for the Zyxel firewall NSlookup default query type. Current type ANY could not get any response for some DNS server which applied RFC8482. Anyone likes this idea, please leave your comment and give it a vote. FQDN objects not resolving — Zyxel Community
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Admin password to my NR7101
Hi, I would like supervisor/root password for my Zyxel NR7101 My serial number is S230Z13018435 Best regards Øystein
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Server temporarily out of operation?
My network is based on 1 WSQ60 in bridge more, another WSQ60 and a WSQ20. For a little while now, my Multy can't connect to the server any more. It's still working fine, though, I just can't make any changes at this time. When I enter one of the remaining available menu options (such as "add Multy"), it doesn't show any…
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GS1900 Management VLAN Not Working
Hello. I'm setting up a GS1900-8HP (latest firmware from March 2025) for a project. It has a bunch of VLANs and normal port operation appears to be working with them. The problem is when I change the switch IP and Management VLAN. Doing so prevents me from accessing the web interface, but I can SSH into the device just…
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FWA505, changing DNS settings
I set up Google's DNS servers in FWA505 > Network Setting > Home Networking > LAN Setup > DNS Values and Broadband>ETHWAN. I only connect via Wi-Fi and use IPv4. However, the DNS shown on the home page in the Cellular Info tab belongs to my internet provider. How can I change this?
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Use External Block List only option
Very simple really a option to use only External Block List for IP Reputation filter
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When an updated firmware for Flex100H updating Tailscale - Security Vulnerability
The current firmware release for the USG FLEX 100H is V1.36(ABXF.0) released on the 20th October 2025. This contains a version of Tailscale that is know to have a significant security vulnerabilities, making it unsafe to use. That version (1.82.0-3) of Tailscale client is now very old and the current version is 1.92.3.…
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How can I verify that the External Block List for IP Reputation has been fully updated?
Question : How can I verify that the External Block List for IP Reputation has been fully updated? Answer : Once the user clicks "Update Now" button to update the External Block List for IP Reputation. The message will show "Updating IP reputation external block list.". Once it is updated completely and will show "Update…
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WBE660S is launching but is not booting (not getting IP address)
Hi All, I have the issue with WBE660S: it is not booting (no IP assigned) led is green uplink leds are keeping lighting (orange and green) reset button is not working (device is not restarting) doesnt matter if power is over USBC or POE via POE++ switch device. power consumption on the switch side is showing just around 6W