KeeneticOS 5.1
KeeneticOS 5.1.1
08/07/2026
Improved
Upgraded the curl utility to version 8.21.0, resolving multiple security issues. [NDM-4543]
Upgraded the libevent library to version 2.1.13, comprising important security fixes. [NDM-4544]
Upgraded the OpenSSL library to versions 3.5.7 and 3.0.21 to address multiple vulnerabilities, including CVE-2026-45447, CVE-2026-7383, and CVE-2026-34180. [NDM-4542]
Fixed
The following fixes have been applied to the Web Interface.
Resolved the issue where toggles managed by the Wi-Fi System controller were accessible through the Web Interface of extenders. [NWI-4935]
KeeneticOS 5.1.0
19/06/2026
Improved
Upgraded the OpenSSL library to versions 3.5.6 and 3.0.20 to address multiple security vulnerabilities, including CVE-2026-28386, CVE-2026-28387, CVE-2026-28388, CVE-2026-28389, CVE-2026-28390, CVE-2026-31789, CVE-2026-31790. [NDM-4402]
Disabled HTTP/2 support to mitigate security vulnerabilities, including CVE-2026-49975, related to an HPACK out-of-memory (OOM) attack. [NDM-4499]
The following improvements have been applied to the Web Interface.
Updated the appearance of the frequency band selector on the Access Points page. [NWI-4867]
Added a link to the General Wi-Fi Settings section from the Access Points page. [NWI-4894]
Fixed
Restored navigation to the Web Interface from the RMM cloud device management system. [NDM-4505]
The following fixes have been applied to the Web Interface.
Fixed the gear button functionality on the About the System card in Safari. [NWI-4892]
Resolved an issue that caused the wrong number of copies to be printed when users printed wireless network information from the mobile view of the Web Interface. [NWI-4858]
KeeneticOS 5.1 Beta 4
28/05/2026
Maintenance release
This maintenance release for Keenetic Buddy 6 (KN-3411) has only minor changes.
KeeneticOS 5.1 Beta 3
20/05/2026
Maintenance release
This maintenance release for Keenetic Buddy 6 (KN-3411) has only minor changes.
KeeneticOS 5.1 Beta 2
14/05/2026
Improved
Enabled connection details for client devices connected to Wi-Fi System extenders via Ethernet. [NDM-4429]
Fixed
The following fixes have been applied to the Web Interface.
Fixed several issues with the Wi-Fi settings. [NWI-4813]
Updated the Wi-Fi Network Settings to resolve an issue when configuring the WPA Enterprise protection. [NWI-4806]
Resolved an issue that occurred when changing the network port speed on the System Settings page. [NWI-4833]
Fixed the display of the current time in the schedule editor. [NWI-4815]
KeeneticOS 5.1 Beta 1
23/04/2026
Maintenance release
This maintenance release for Keenetic Buddy 6 (KN-3411) has only minor changes.
KeeneticOS 5.1 Beta 0.3
16/04/2026
Improved
Added a command-line option to the ping utility to enable the DF (Do Not Fragment) flag for network diagnostics. [NDM-4391]
tools ping {host} dont-fragment— probe the{host}network host with unfragmented packets.
Fixed
The following fixes have been applied to the Web Interface.
Fixed certain issues with the wireless roaming settings on the Access Points page. [NWI-4778]
Fixed an issue where the selected Automatic theme would switch when printing the wireless network information. [NWI-4773]
Corrected the notification that appears when all access points in a wireless band are turned off. [NWI-4783]
Fixed untranslated text in the confirmation dialogue when turning off Wi-Fi. [NWI-4791]
Fixed the Web Interface operation when IPv6 was turned off using the
system set net.ipv6.conf.all.disable_ipv6 1command. [NDM-4303]Fixed an issue where the SSH session timeout might not be applied properly. [NDM-4406]
KeeneticOS 5.1 Beta 0.2
08/04/2026
Improved
Restored the ability to configure different SSIDs for 2.4 and 5 GHz Wi-Fi in the same network segment. [NDM-4343]
Fixed
Fixed the appearance of the logo in the Web Interface header. [NWI-4771]
Fixed a memory leak in the IPv6 addresses and prefixes API parser. [NDM-4376]
Fixed the issue that caused an incorrect
403 Forbiddenstatus when accessing the KeenDNS device name via IPv6 in Cloud access mode. [NDM-4378]Corrected the packet format for WS-Discovery
ProbeandHellomessages to fix the reboot issue with NETSurveillance video cameras. [NDM-4387]
KeeneticOS 5.1 Beta 0.1
28/03/2026
New
Added a dedicated Access Points page in the Web Interface for Wi-Fi configuration. The Segments page now groups settings for all local networks. [NWI-4675]
Improved
Updated protection against attacks targeting the Wi-Fi client isolation feature, such as AirSnitch. [SYS-1725]
Addressed the CVE-2026-28753 security vulnerability in the Web Interface service. [NDM-4368]
KeeneticOS 5.1 Alpha 7
21/03/2026
Fixed
The following fixes have been applied to the Web Interface.
Removed the state display for toggles on the General System Settings page. [NWI-4742]
Updated the link to the Active Connections section in Diagnostics from the System Dashboard. [NWI-4743]
Fixed an issue that caused the
domain must be filled for custom typeerror messages and prevented the use of some of the custom DDNS provider types. [NDM-4341]
KeeneticOS 5.1 Alpha 6
14/03/2026
Fixed
The following fixes have been applied to the Web Interface.
Corrected the configuration of the management port number. [NWI-4747]
Fixed the on-hover display for the cog icon on the System Dashboard when using the Dark theme. [NWI-4712]
Fixed an issue with SSL connections to the cloud backend that was causing the Offline status to appear in the Mobile application. [SYS-1680]
Fixed the handling of the wireless on/off events for models with a single hardware button. [NDM-4326]
Adjusted the parameters of the WS-Discovery
Hellomessage to fix a reboot issue with certain IP cameras. [NDM-4331]Fixed the extender's acquire and system update operations, and access to its Web Interface from the Wi-Fi System controller. [NDM-4339]
KeeneticOS 5.1 Alpha 5
07/03/2026
Improved
Confined WS-Discovery
Hellomessages by theBridge0interface (Home network) by default. [NDM-4314]
Fixed
Fixed the rollback to the previously installed version when
system failederror messages appear during boot after the update. [NDM-4311]The following fixes have been applied to the Web Interface.
Fixed the automatic update of the active connections display on the Diagnostics page. [NWI-4713]
Corrected the language set reset upon OS manual update. [NWI-4703]
Fixed the Log in button on the user authentication page. [NWI-4718]
Fixed the tooltip display at the right edge of the Wi-Fi Monitor graph for wider screens. [NWI-4717]
KeeneticOS 5.1 Alpha 4
03/03/2026
Fixed
This maintenance release for Keenetic Buddy 6 (KN-3411) has only minor changes.
KeeneticOS 5.1 Alpha 3
28/02/2026
Fixed
Fixed an issue that caused the
URL must be filled for custom typeerror messages and prevented the use of some of the custom DDNS provider types. [NDM-4292]
KeeneticOS 5.1 Alpha 2
21/02/2026
Improved
Improved the line wrapping for the mobile view of the System Log popup in the Web Interface. [NWI-4680]
Fixed
Fixed the issue with the connection information display for wired client devices in the Wi-Fi System. [NDM-4282]
Resolved an issue where the ZeroWait DFS adjustment prevents the use of selected Wi-Fi channel width. [SYS-1544]
Eliminated security vulnerabilities: CVE-2014-3570 and CVE-2022-4304. [SYS-1542]
Enhanced the process for renewing the SSL certificate for the system domain name. [NDM-4284]
KeeneticOS 5.1 Alpha 1
16/02/2026
Improved
The following improvements have been applied to the Web Interface.
Improved toggle state indication. [NWI-4661]
Added the DuckDNS preset to the Domain Name → DDNS page. [NDM-4273]
Fixed
The following fixes have been applied to the Web Interface.
Fixed the activation of toggles for the mobile view. [NWI-4632]