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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…
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…
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…
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…
[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…
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…
Nebula Cloud Auto Firmware Upgrade Notice - WiFi 7 Access Points
To enhance system security and maintain firmware integrity, this upgrade is required due to changes in the firmware encryption mechanism. All affected models running firmware older than V7.10 P2 C0 will automatically be scheduled for upgrade to ensure compatibility with the latest encryption design. Models and Firmware…
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.…
[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…
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…

Latest Discussions

Flex H - Camtive portal
We verified a configuration that the customer requested, which was to define only certain PCs on the LAN that would be restricted via captive portal. We contacted Zyxel support, and they confirmed that, as with the ATP series, it's not possible to specify an IP range excluded from the captive portal feature managed on the…
H series router user logins not working
We are not able to configure security policies on the H series routers to allow 'user authenticated port forwarding' where a user is required to log into the router to enable a security policy from his 'login ip address'. Currently the H series routers says 'login denied' when a 'user' tries to log in. When will this…
USG Flex H - Home Office User should authenticate to USG Flex H via Login to access RDP
Hello! When a user in the home office (no zyxel firewall) tries to login to a company USG Flex H the "login denied" appears. When an adminitrative user tries to log in - ok Situation: User in Home Office (no zyxel firewall) should authenticate via WAN to a USG Flex H via webinterface, to access a RDP-Connection on the LAN…
[Troubleshooting] PDs Not Powering Up or Unstable Connection with PoE Switch
If your powered device (e.g., an IP camera) fails to power on or frequently disconnects when connected to a Zyxel PoE switch, please follow this troubleshooting checklist: 1. Port Cross-Testing Swap the port to other PoE ports for cross testing. 2. Check Cable Material Ensure you are using CAT5e or CAT6 copper cables. 3.…
How to reset to factory settings NWA3550-N
How to reset to factory settings NWA3550-N. I didn't find the reset button.
Multy X Setup Issues
As many others on this forum, I am having issues accessing multiple sites that have Multy X (WSQ50) units installed. The app loads indefinitely with "connecting" at the top. If I reset the Multy X and go through the setup process, I can create a WiFi network and the Multy x functions as a router, however the setup…
Problem with fine-grained CIDR notation (USG Flex 40)
The security policies seems to have a problem understanding CIDR notations from /27 and up (or is it down?). The case in hand is a number of servers in the 192.168.17.96 - 192.168.17.103 range, i.e. 192.168.17.96/29. But that doesn't work. Neither does 192.168.17.96/28, nor 192.168.17.96/27. I have to go all the way to /26…
XS1930-10: Setup Wizard Lock-Up, DAC Instability, Internet Bandwidth Drop, and LACP Port Errors
Hello everybody. I have seen that there is a lot of literature on XS1930-10 already, so I tried to navigate a bit but I'm not sure I can get to a solution that way - as it is my impression that I have different issues that may though be linked together. I'm not an IT professional, so I apologise in advance is anything is…
Synology Router and Vlan's using a XMG1915-10E
I have a Synology RT600AX with 3 MR2200AC mech units connected via Ethernet. There is also a NAS with a 10GB Rj45 card. Everything is connected via a Netgear 8 port 2.5Gb unmanaged switch. I have 3 V-Lans 1 main, 2 Guests, 3 iOT My desktop computer can connect via the Cat6 and WiFi. The problem is that the ethernet…
XMG1930 IPv6 Prefix Setup glitch
3 VLANs (1,42,228) setup and enabled for IPv6. In "IPv6 Neighbour Discovery Setup" and "IPv6 Router Discovery Setup" they are indexed 1=1, 42=2, 228=3. Under "IPv6 Prefix Setup" it's indexed differently 1=1, 228=2, 42=3 and if you e.g. click 2 and enter edit mode, it shows VLAN42 in the interface drop down. If you click…

Latest solutions

Flex H - Camtive portal
We verified a configuration that the customer requested, which was to define only certain PCs on the LAN that would be restricted via captive portal. We contacted Zyxel support, and they confirmed that, as with the ATP series, it's not possible to specify an IP range excluded from the captive portal feature managed on the…
H series router user logins not working
We are not able to configure security policies on the H series routers to allow 'user authenticated port forwarding' where a user is required to log into the router to enable a security policy from his 'login ip address'. Currently the H series routers says 'login denied' when a 'user' tries to log in. When will this…
How to reset to factory settings NWA3550-N
How to reset to factory settings NWA3550-N. I didn't find the reset button.
Multy X Setup Issues
As many others on this forum, I am having issues accessing multiple sites that have Multy X (WSQ50) units installed. The app loads indefinitely with "connecting" at the top. If I reset the Multy X and go through the setup process, I can create a WiFi network and the Multy x functions as a router, however the setup…
Problem with fine-grained CIDR notation (USG Flex 40)
The security policies seems to have a problem understanding CIDR notations from /27 and up (or is it down?). The case in hand is a number of servers in the 192.168.17.96 - 192.168.17.103 range, i.e. 192.168.17.96/29. But that doesn't work. Neither does 192.168.17.96/28, nor 192.168.17.96/27. I have to go all the way to /26…
XS1930-10: Setup Wizard Lock-Up, DAC Instability, Internet Bandwidth Drop, and LACP Port Errors
Hello everybody. I have seen that there is a lot of literature on XS1930-10 already, so I tried to navigate a bit but I'm not sure I can get to a solution that way - as it is my impression that I have different issues that may though be linked together. I'm not an IT professional, so I apologise in advance is anything is…
Synology Router and Vlan's using a XMG1915-10E
I have a Synology RT600AX with 3 MR2200AC mech units connected via Ethernet. There is also a NAS with a 10GB Rj45 card. Everything is connected via a Netgear 8 port 2.5Gb unmanaged switch. I have 3 V-Lans 1 main, 2 Guests, 3 iOT My desktop computer can connect via the Cat6 and WiFi. The problem is that the ethernet…
XMG1930 IPv6 Prefix Setup glitch
3 VLANs (1,42,228) setup and enabled for IPv6. In "IPv6 Neighbour Discovery Setup" and "IPv6 Router Discovery Setup" they are indexed 1=1, 42=2, 228=3. Under "IPv6 Prefix Setup" it's indexed differently 1=1, 228=2, 42=3 and if you e.g. click 2 and enter edit mode, it shows VLAN42 in the interface drop down. If you click…
Station blocked by key handshake fail right before connected (intra roaming) - normal behavior?
Every intra roaming (e.g. 2.4>5GHz) goes like this (log, reverse order): 31 2025-11-05 17:21:29 notice wlan IEEE 802.11 Station: 12:34:56:78:9a:be connected on Channel: 36, SSID: MyWifi, 5GHz, Signal: -66dBm, Interface: wlan-2-1 32 2025-11-05 17:21:28 notice wlan IEEE 802.11 Station: 12:34:56:78:9a:be blocked by key…
NAS326 - no application list in App Center
I get a new NAS326 - Firmware version V5.21(AAZF.15) The list for "all Apps" is empty and I tried to update it, but nothing happen. Internet access is working, ping to google is working. Out from this disscussion https://community.zyxel.com/en/discussion/9010/i-dont-have-any-app-to-download-on-app-center-nas326-solved the…

Unanswered Discussions

USG Flex H - Home Office User should authenticate to USG Flex H via Login to access RDP
Hello! When a user in the home office (no zyxel firewall) tries to login to a company USG Flex H the "login denied" appears. When an adminitrative user tries to log in - ok Situation: User in Home Office (no zyxel firewall) should authenticate via WAN to a USG Flex H via webinterface, to access a RDP-Connection on the LAN…
USG 500H Import DHCP
Upgrading from an older ATP200 to a new USG 500H and hoping to import the DHCP reservations from the ATP200 instead of having to type them all manually. I found an older post with a link to a tool that doesn't apply to the new device/firmware. Is there any way to import DHCP reservations on the 500H?
when gs1200-5/8 v3 will be available ?
hi there, i want to order a gs1200-5v3 but i can only find the gs1200-5 version do you know when the v3 will be available ? (the non poe version)
Redirection Issue on Prestashop with USG Flex 500H
Hello, When connected through a USG Flex 500H, I am experiencing an issue on our Prestashop e-commerce site: whenever I switch tabs (Home, Invoices, Orders, etc.), I am automatically redirected to the login page. Please note: The administration page loads correctly without any errors. The issue persists even after…
2fa support with AD
Goodmornig, it's possible to configure 2fa with Active directory authentication? Thanks
what does dnsmasq-dhcp: sendLeaseMessageToESMD mean in the logs
what is ESMD and how do i work out which machine a lease mesage is being sent to?
VMG3625-T20A (V5.30(ABIE.5)G0) dan sonra yeni güncelleme var mıdır
VMG3625-T20A (V5.30(ABIE.5)G0)
firmware update
my zyexel emg3425-q10a needs a firmware update so that i can use the mass storage feature
Route between LAN segments
I have a EX3510-B1 (AX5700) Ethernet Gateway. Besides the Default group, I have created a "Camera" group for my security cameras, assigned LAN2 to the segment, and setup the IP segment for this LAN segment. From Camera LAN, I can reach other hosts on the Default group but I can not reach the Camera group from the Default…
EMG3524-T10A Firmware
Prezados meu nome é Leandro e ganhei um roteador porem está desatualizado , para receber a atualização é só por solicitação via chat. Aguardo resposta. Versão do firmware:Atual V1.42(ABXU.1)b6_0118

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Making Everyday Digital Life Easier for German Student Dormitory
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Data, Directors, and Digital Delivery Made Simple
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