TAP400 Firmware Downloads
This page contains firmware files for TAP400 devices. Look to the table below or the changelog to find download links.
Stable firmware - this version has been tested through both internal QA processes and large-scale user deployments. All known issues have been resolved based on user reports and testing feedback. Stable firmware is currently used as the default for updates and is also deployed in mass production. To upgrade firmware using WebUI, follow the instructions in TAP400 Firmware.
Latest firmware - this is the most recent firmware release, featuring the latest updates, features, and fixes. While it has passed internal testing, it has not yet undergone widespread deployment or user validation. It may still contain undiscovered issues. We recommend testing on a small number of devices before considering broader updates.
| File | Type | Release date | Size | MD5 | Links |
|---|---|---|---|---|---|
| TAP400_R_00.07.24.3_WEBUI.bin | Stable FW |
2026.08.28 | 18 MB | ad0c7bf9f29244bbb48f487a7f292ebc | Changelog API |
| TAP400_R_00.07.25.3_WEBUI.bin | Latest FW |
2026.09.24 | 18 MB | 7e4b26b9ebd607ef9d7f899c552b4e7b | Changelog API |
| TAP400_R_SDK_00.07.25.3.tar.gz | SDK | 2026.09.24 | 456 MB | f12ccab75ab34949d830a8a59183feba |
FW checksums
Checksums for firmware files can be found here.
Changelog
TAP400_R_00.07.25.3 | 2026.09.24
- Fix
- Services
- Data to Server: fixed modbus alarm id migrations via keep settings and backup
- Services
TAP400_R_00.07.25.2 | 2026.09.17
- Fix
- Network
- Wireless: fixed PPSK profiles applying to wrong wireless interfaces
- Wireless: fixed "Auto" option in "Network" when editing SSID configuration
- System
- Access Control: fixed HTTPS certificate re-generation when TPM key is missing
- API Core: fixed not correctly redirecting to HTTPS when HTTPS WAN port doesn't equal HTTPS LAN port
- Network
- CVE Patches
- CVE-2026-75826 - 8.5 (HIGH)
TAP400_R_00.07.25.1 | 2026.09.04
- New
- Network
- Tcpdump: added Tcpdump support
- Network
- Improvements
- Network
- Wireless: added query parameter to wireless scan endpoint to retrieve cache
- iperf3: updated version to 3.20
- udhcpc: updated version to 1.36.1
- Services
- Data to Server: added advanced status page
- FreeRadius: updated version to 3.2.10
- System
- RutOS: updated UCI default configs to use named sections
- 7zip: updated version to 26.00
- busybox: updated version to 1.36.1
- ca-certificates: updated version to 20250419
- ffmpeg: updated version to 8.1
- glib2: updated version to 2.88.1
- iproute2: updated version to 6.7.0
- ipset: updated version to 7.9
- iptables: updated version to 1.8.10
- json-c: updated version to 0.17
- Kernel: updated version to 6.6.137
- libcares: updated version to 1.27.0
- libfuse: updated version to 3.16.2
- libgcrypt: updated version to 1.10.4
- libgpg-error: updated version to 1.48
- libmnl: updated version to 1.0.5
- libnetfilter-conntrack: updated version to 1.0.9
- libnetfilter-log: updated version to 1.0.2
- libnfnetlink: updated version to 1.0.2
- libnftnl: updated version to 1.2.6
- libubox: updated version to 2026-02-13
- nftables: updated version to 1.0.9
- openssl: updated version to 3.5.7
- xz: updated version to 5.8.3
- zlib: updated version to 1.3.1
- Network
- Fix
- Network
- Network: fixed losing wireless mesh devices after changing the Management VLAN
- Network: fixed wireless interface VLAN migration when changing the Management VLAN, including reverting to the default device
- Realtime Data: fixed possible data usage jumps in monthly usage
- Topology: fixed simultaneous map and page scrolling on touchscreens
- Wireless: fixed display of incomplete wireless interfaces in every place where it is shown
- Services
- Data to Server: fixed the Y2038 issue affecting the Modbus alarm data
- Data to Server: fixed data type when reading from OPC UA database
- HotSpot: fixed user creation when no groups exist
- HotSpot: fixed Terms of Service checkbox text not matching configured text color
- RMS: fixed the Y2038 issue affecting the reconnect counter
- System
- API Core: fixed time overflow
- Backup: fixed currently installed packages migration scripts not working with device backup
- Certificates: fixed SCEP not working with 3DES encryption
- JSON-RPC: fixed file exec process termination
- Site Manager: fixed an issue where the Site Manager service could be automatically re-enabled after being manually disabled
- SSH: fixed server not listening on IPv6 address
- WebUI: fixed wrong logo color in dark mode
- WebUI: fixed incorrect byte unit display
- Network
- CVE Patches
- CVE-2025-13462 - 3.3 (LOW)
- CVE-2026-12969 - 5.3 (MEDIUM)
- CVE-2026-13595 - 6.8 (MEDIUM)
- CVE-2026-27135 - 7.5 (HIGH)
- CVE-2026-41989 - 6.7 (MEDIUM)
- CVE-2026-43503 - 8.8 (HIGH)
- CVE-2026-46333 - 7.1 (HIGH)
TAP400_R_00.07.24.3 | 2026.08.28
- Improvements
- System
- Backend: internal improvements and fixes
- System
TAP400_R_00.07.24.1 | 2026.08.11
- Improvements
- System
- openssl: updated version to 3.5.7
- System
- Fix
- Services
- HotSpot: fixed missing NAT rule
- Services
- CVE Patches
- CVE-2026-16455 - 6.9 (MEDIUM)
TAP400_R_00.07.24 | 2026.07.08
- New
- Network
- Tcpdump: added Tcpdump support
- Services
- HotSpot: added Hotspot functionality
- Network
- Improvements
- Network
- cURL: updated version to 8.19.0
- System
- Access Control: removed unused Paired devices table from the Device Pairing tab
- Network
- Fix
- Network
- Network: fixed losing wireless mesh devices after changing the Management VLAN
- Network: fixed wireless interface VLAN migration when changing the Management VLAN, including reverting to the default device
- System
- Access Control: fixed "Enable" toggle in the Device pairing tab
- NTP Client: fixed unnecessary service restart when network interface changes state
- Network
- CVE Patches
- CVE-2026-2291 - 7.3 (HIGH)
- CVE-2026-4890 - 7.5 (HIGH)
- CVE-2026-4891 - 5.3 (MEDIUM)
- CVE-2026-4892 - 8.4 (HIGH)
- CVE-2026-4893 - 5.3 (MEDIUM)
- CVE-2026-5172 - 7.3 (HIGH)
TAP400_R_00.07.22.1 | 2026.04.13
- Improvements
- System
- ustream-ssl: updated version to 2026-03-01
- System
- Fix
- Services
- RMS: fixed configuration permission issues that caused connection problems
- System
- Backup: fixed custom uci-default script execution
- Backup: fixed ability to reset user password to device default password
- Services
TAP400_R_00.07.21.3 | 2026.03.24
- Fix
- System
- Backup: fixed eSIM interface generation after uploading a backup
- Reset Settings: fixed reset not responding
- System
TAP400_R_00.07.21.2 | 2026.03.06
- Improvements
- System
- Site manager: added /api/site_manager/status endpoint
- System
- Fix
- Network
- Network: fixed an edge-case network hang after device reboot
- Network
TAP400_R_00.07.21.1 | 2026.02.26
- Fix
- System
- Site manager: fixed missing config files in SDK
- System
TAP400_R_00.07.21 | 2026.02.17
- New
- System
- Site manager: added site manager client functionality
- System
- Improvements
- Network
- 802.1X Client: moved 802.1X Client to Network > Ports > 802.1x Client
- Wireless: added WPA2-PPSK authentication support
- ethtool: updated version to 6.15
- Netifd: updated version to 2025-05-23
- System
- NTP Client: improved initial system time accuracy when "Save time to flash" is enabled
- Update Firmware: added latest/stable firmware option in firmware page
- WebUI: improved search performance
- WebUI: updated footer design
- WebUI: added footer customization options for GPL builds
- Kernel: updated version to 6.6.115
- Kernel: updated version to 6.6.119
- Network
- Fix
- Network
- Wireless: fixed displaying associated client information when more than 270 clients are connected
- Services
- RMS: fixed reconnection problem
- RMS: fixed reconnection timer reset issue
- System
- JSON-RPC: fixed permissions for "file" methods
- Profiles: excluded Data Limit and IP Block databases from profiles
- Update Firmware: fixed download from FOTA after cancelling firmware upload
- Network
TAP400_R_00.07.20.3 | 2026.01.23
- Firmware includes no changes for this device
TAP400_R_00.7.19.4 | 2025.12.05
- Initial firmware release