View source for RUTC42 Firmware Downloads

{{Template: Networking_rutos_firmware_downloads
<!------------------------DEVICE----------------------->
| name         = RUTC42
| series       = RUTC
}}

==Changelog==
<!--NEW_FW-->
===<b><span class="plainlinks">[https://firmware.teltonika-networks.com/7.23.2/RUTC/RUTC_R_00.07.23.2_WEBUI.bin RUTC_R_00.07.23.2]</span></b> | 2026.05.18===
* <b>Fix</b>
** <b>Network</b>
*** Network: fixed interface and DHCP desynchronization after interface name change
** <b>Services</b>
*** IPsec: fixed xauth not working in certain conditions
* <b>CVE Patches</b>
** CVE-2026-31431 - 7.8 (HIGH)
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===<b><span class="plainlinks">[https://firmware.teltonika-networks.com/7.23.1/RUTC/RUTC_R_00.07.23.1_WEBUI.bin RUTC_R_00.07.23.1]</span></b> | 2026.05.05===
* <b>Fix</b>
** <b>Network</b>
*** QOS: fixed incorrect QoS being applied to interfaces after changing interface metric
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===<b><span class="plainlinks">[https://firmware.teltonika-networks.com/7.23/RUTC/RUTC_R_00.07.23_WEBUI.bin RUTC_R_00.07.23]</span></b> | 2026.04.24===
* <b>New</b>
** <b>Network</b>
*** Mobile: added "iot.melita.io" APN for operator "Melita" into APN database
*** Mobile: added "web.melita" APN for operator "Melita" into APN database
*** Network: added DS-lite protocol support
** <b>Services</b>
*** TR-069: added Device.Ethernet.Interface object based on "TR-181 Issue 2 Amendment 20", with implementation-specific deviations
*** TR-069: added Device.Hosts.Host object based on "TR-181 Issue 2 Amendment 20", with implementation-specific deviations
*** TR-069: added Device.NAT.PortMapping object based on "TR-181 Issue 2 Amendment 20", with implementation-specific deviations
** <b>System</b>
*** Kernel: enabled Multipath TCP (MPTCP) support in the kernel configuration
*** SSH: added 2FA support
*** WebUI: added 2FA support
*** WebUI: added dark theme
* <b>Improvements</b>
** <b>Network</b>
*** Firewall: improved NAT offloading validation message in API
*** Network usage: improved "Total usage" data deletion funcionality
*** Realtime Traffic: improved performance when switching between time periods
*** Static Routes: added an enable switch to allow disabling routes
*** Wireless: added the ability to kick and block clients from the Status -> Wireless -> Interfaces page
*** Wireless: added disconnect reason to hostapd log
*** cURL: updated version to 8.19.0
** <b>Services</b>
*** Data to Server: added wildcard for mqtt topics
*** DMVPN: updated "Lifetime" and "IKE lifetime" fields and validations
*** Event juggler: added "Signal quality" event
*** I/O Status: added a switch component to the I/O Status table State column for state configuration
*** IPsec: added warning messages for insecure proposal options
*** Modbus Client: increased connection delay limits to 10s (10000ms)
*** Modbus TCP over Serial Gateway: added configurable inter-frame timeout for serial communication
*** SNMP: improved GSM signal strength trap with condition 'Less than', 'More than' and 'Range' triggers
*** SNMP: removed Events log signal strength trap - GSM signal strength trap should be used instead
*** SSTP: added connection status monitoring
*** TR-069: improved Device.WiFi.AccessPoint object based on "TR-181 Issue 2 Amendment 20", with implementation-specific deviations
*** TR-069: updated secure connection hint to inform that TLS works only when HTTPS is used
*** Net-SNMP: updated version to 5.9.5.2
** <b>System</b>
*** API Core: replaced Lua 5.1 with LuaJIT 2.1
*** Auto Reboot: updated abbreviated month and day names to full names for improved translation support
*** System Users: improved validation to allow usernames starting with numbers
*** Kernel: updated version to 6.6.126
* <b>Fix</b>
** <b>Network</b>
*** Mobile: fixed a rare mobile application crash case when changing APN
*** MPLS: fixed package re-installation after updating with keep settings
*** Network: fixed protocol validation for LAN interfaces in API
*** Network: fixed interface deletion when page is not fully loaded
*** Network: fixed firewall zone select not showing VPN networks in LAN and WAN pages
*** Ports Settings: fixed being able to choose different link duplex mode when hardware doesn't allow
*** QOS: fixed connectivity issues when QoS is enabled
*** QOS: fixed an issue where settings were not correctly applied after saving
*** Realtime Traffic: fixed multiple plot rendering bugs related to daylight saving transitions
*** Wireless: fixed hostapd "no buffer space available" error with multiple SSIDs
*** Wireless: fixed SSID deletion when page is not fully loaded
*** Wireless: fixed DFS state handling after CAC end
** <b>Services</b>
*** Data to Server: fixed button positioning on smaller screens in configuration creation modal
*** Data to Server: fixed a rare case where stale data was sent via FTP after configuration changes
*** Data to Server: fixed FTP upload when the selected directory doesn't exist - now it is created if the FTP server allows it
*** DLMS: fixed database error in the API endpoint for database entries
*** DNP3 Client: fixed database error in the API endpoint for database entries
*** Email to SMS: fixed process hang in some rare cases
*** Hotspot: fixed an issue where a hotspot instance appeared to be assigned to the wrong theme
*** I/O Status: fixed mismatched I/O pin names in the table and legend
*** I/O Status: fixed digital input/output pin re-initialization bug after using pulse counter
*** IEC 60870-5 Client: fixed common address validation on the client side
*** IEC 60870-5 Client: fixed database error in the API endpoint for database entries
*** IEC 60870-5 Server: fixed IEC60870-5 Server should not restart after disabling WAN access
*** Impulse Counter: fixed Impulse Counter add button tooltip to show a hint when all available options have been selected
*** IPsec: fixed hint overlap
*** L2TP: fixed validation requirements for client and server configurations
*** Mobile Utilities: fixed OpenVPN status SMS message
*** Modbus Client: fixed Modbus test button tooltips to display hints when testing
*** Modbus Client: fixed database error in the API endpoint for database entries
*** Modbus Client: fixed modbus client request configuration actions overflowing
*** OPC UA Client: fixed database error in the API endpoint for database entries
*** OPC UA Server: fixed error status not displaying messages
*** OpenConnect: fixed hint overlap
*** OpenVPN: fixed hint overlap
*** SNMP: fixed minor webui validation bug
*** TR-069: fixed OUI setting now it's dynamically set
** <b>System</b>
*** NTP Client: fixed unnecessary service restart when network interface changes state
*** Package Manager: fixed the installation of backup archive packages in cases of low free flash space
* <b>CVE Patches</b>
** CVE-2025-13837 - 2.1 (LOW)
** CVE-2025-61099 - 7.5 (HIGH)
** CVE-2025-61100 - 7.5 (HIGH)
** CVE-2025-61101 - 7.5 (HIGH)
** CVE-2025-61102 - 7.5 (HIGH)
** CVE-2025-61103 - 7.5 (HIGH)
** CVE-2025-61104 - 7.5 (HIGH)
** CVE-2025-61105 - 7.5 (HIGH)
** CVE-2025-61106 - 7.5 (HIGH)
** CVE-2025-61107 - 7.5 (HIGH)
** CVE-2026-30874 - 1.8 (LOW)
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===<b><span class="plainlinks">[https://firmware.teltonika-networks.com/7.22.3/RUTC/RUTC_R_00.07.22.3_WEBUI.bin RUTC_R_00.07.22.3]</span></b> | 2026.05.19===
* <b>Fix</b>
** <b>System</b>
*** Backup: fixed saving of crontabs
* <b>CVE Patches</b>
** CVE-2026-31431 - 7.8 (HIGH)
** CVE-2026-43284 - 7.8 (HIGH)
----
===<b><span class="plainlinks">[https://firmware.teltonika-networks.com/7.22.1/RUTC/RUTC_R_00.07.22.1_WEBUI.bin RUTC_R_00.07.22.1]</span></b> | 2026.04.13===
* <b>Improvements</b>
** <b>System</b>
*** ustream-ssl: updated version to 2026-03-01
* <b>Fix</b>
** <b>Services</b>
*** IEC 60870-5 Client: fixed missing serial support validation checks
*** IEC 60870-5 Server: fixed package dependency issues and missing serial support validation checks
*** Modbus Client: fixed test requests due to missing broadcast option
*** RMS: fixed configuration permission issues that caused connection problems
** <b>System</b>
*** Backup: fixed custom uci-default script execution
*** Backup: fixed ability to reset user password to device default password
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===<b><span class="plainlinks">[https://firmware.teltonika-networks.com/7.22/RUTC/RUTC_R_00.07.22_WEBUI.bin RUTC_R_00.07.22]</span></b> | 2026.03.25===
* Initial firmware release
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