NDMS 5.1

NDMS release notes for Netcraze Challenger SE (NC-3911) in the Development Channel

NDMS releases in this channel show what we're working on right now. We update roughly weekly. N.B.: While releases in this channel do undergo testing, they are still sometimes bugs present, as we want you, our community, to share in what's new as soon as possible. Your input is really valued.

Netcraze Challenger SE (NC-3911) is currently in the Standard Updates support period and receives regular software updates, including security enhancements, new features, operating system updates, and bug fixes.

NDMS 5.1 Beta 0.1

28/03/2026

New

Improved

The following improvements have been applied to the Web Interface.
- Added support for eSIM, SMS, and USSD operations on embedded 5G/4G modems for Wi-Fi System extenders. [NWI-4738]
- Enhanced the Client Lists page to display information on the client device's currently used connection policy, traffic sent and received, and IPv6 addresses. [NWI-4707] [Forum topic]
- Added sorting by name and traffic transmitted to the WireGuard connections list. [NWI-4732] [Forum topic]
Implemented a CLI command to enable the collection of application traffic statistics. On devices with less than 256 MB of RAM, application traffic statistics are not processed by default to optimize memory usage. [NDM-4367]
- ntce stats no disable — restore application statistics recording.
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]

NDMS 5.1 Alpha 7

21/03/2026

New

Improved

Fixed

The following fixes have been applied to the Web Interface.
- Resolved the scrolling issue on the Application Traffic Analyser page for mobile view. [NWI-4726] [Forum topic]
- Resolved the issue with changing the priority of connections on the Connection Policies page. [NWI-4740] [Forum topic]
- Removed the state display for toggles on the General System Settings page. [NWI-4742] [Forum topic]
- Updated the link to the Active Connections section in Diagnostics from the System Dashboard. [NWI-4743] [Forum topic]
- Fixed the display order of traffic download and upload values on the Internet card. [NWI-4746]
- Fixed the charts display on the Traffic Monitor page. [NWI-4758] [Forum topic]
Fixed an issue that caused the domain must be filled for custom type error messages and prevented the use of some of the custom DDNS provider types. [NDM-4341] [Forum topic]
Fixed the 802.1q egress priority setting for packets with a non-zero DSCP mark. [NDM-4342]

NDMS 5.1 Alpha 6

14/03/2026

Fixed

The following fixes have been applied to the Web Interface.
- Fixed the navigation to the Applications cards from the System Dashboard page. [NWI-4474] [Forum topic]
- Corrected the configuration of the management port number. [NWI-4747] [Forum topic]
- Fixed the on-hover display for the cog icon on the System Dashboard when using the Dark theme. [NWI-4712] [Forum topic]
- Minimized unnecessary polling of the Captive Portal service when accessing home network settings pages. [NWI-4368] [Forum topic]
Fixed an issue with SSL connections to the cloud backend that was causing the Offline status to appear in the Mobile application. [SYS-1680] [Forum topic]
Adjusted the parameters of the WS-Discovery Hello message to fix a reboot issue with certain IP cameras. [NDM-4331] [Forum topic]
Resolved an issue where blocking of the IPsec inter-process communication (IPC) socket could cause the Web Interface to freeze. [NDM-4332]
Corrected the session flushing to ensure it complies with the DNS-based routing. [NDM-4336]
Fixed the extender's acquire and system update operations, and access to its Web Interface from the Wi-Fi System controller. [NDM-4339]

NDMS 5.1 Alpha 5

07/03/2026

Improved

Fixed

Fixed the rollback to the previously installed version when system failed error messages appear during boot after the update. [NDM-4311] [Forum topic]
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] [Forum topic]
- Corrected the language set reset upon OS manual update. [NWI-4703]
- Fixed the Log in button on the user authentication page. [NWI-4718] [Forum topic]
- Fixed the tooltip display at the right edge of the Wi-Fi Monitor graph for wider screens. [NWI-4717] [Forum topic]
- Fixed the IP protocol missing in the Firewall rule editor. [NWI-4711] [Forum topic]
Fixed the import of Wireguard configurations containing ASC parameters. [NDM-4313] [Forum topic]

NDMS 5.1 Alpha 4

03/03/2026

Fixed

NDMS 5.1 Alpha 3

28/02/2026

New

Improved

Fixed

NDMS 5.1 Alpha 2

21/02/2026

New

Improved

Fixed

Fixed the issue with the connection information display for wired client devices in the Wi-Fi System. [NDM-4282]
The following fixes have been applied to the Web Interface.
- Fixed the sorting mode icon display in the Content Filter settings. [NWI-4671] [Forum topic]
- Fixed the tooltip display in the Proxy Connections list. [NWI-4670] [Forum topic]
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]

NDMS 5.1 Alpha 1

16/02/2026

New

Implemented CLI commands to manage IPv6 access lists. [NDM-4130]
- ipv6 access-list {acl} — create an IPv6 access list with name {acl};
- ipv6 access-list {acl} (permit | deny) ((tcp | udp) ({source} | (host {source}) | any) [port (((lt | gt | eq) {source-port}) | (range {source-port} {source-end-port}))] ({destination} | (host {destination}) | any) [port (((lt | gt | eq) {destination-port}) | (range {destination-port} {destination-end-port}))]) | ((((ipv6 | esp | ahp | pcp | sctp)) | {protocol}) ({source} | (host {source}) | any) ({destination} | (host {destination}) | any)) | (icmp ({source} | (host {source}) | any) ({destination} | (host {destination}) | any) [(icmp-message | ({icmp-type} [{icmp-code}]))]) — specify details for IPv6 access rule;
- ipv6 access-list {acl} rule {index} (disable | (schedule {schedule}) | (order {new-index}) | (description {description})) — set description, schedule, priority, or turn off selected IPv6 access list rule;
- ipv6 access-list {acl} auto-delete — enable automatic deletion along with all bound network interfaces.
Added an IPv6 rules management tab to the Firewall page of the Web Interface. [NWI-4614]

Improved

Implemented basic access authentication (RFC 7617) for DNS-over-HTTPS (DoH) server URIs (login:password@). [NDM-4168]
Implemented a command line interface (CLI) option to connect to custom ZeroTier networks that use private root servers (moons). [NDM-4236]
- interface {name} zerotier orbit {world-id} {moon-id} — set Zerotier connection using {world-id} and {moon-id} options.
The following improvements have been applied to the Web Interface.
- Implemented prioritization support for DNS-based routing rules. [NWI-4659]
- Added support for IPv6 URIs when configuring DNS-over-TLS (DoT) and DNS-over-HTTPS (DoH) secure DNS servers, such as https://[2606:4700:4700::1111]:80/dns-query. [NWI-4610]
- Improved toggle state indication. [NWI-4661]
Added the DuckDNS preset to the Domain Name → DDNS page. [NDM-4273]

Fixed

In this section:

NDMS updates — Dev Channel

NDMS 5.1

NDMS release notes for Netcraze Challenger SE (NC-3911) in the Development Channel

NDMS 5.1 Beta 0.1

New

Improved

NDMS 5.1 Alpha 7

New

Improved

Fixed

NDMS 5.1 Alpha 6

Fixed

NDMS 5.1 Alpha 5

Improved

Fixed

NDMS 5.1 Alpha 4

Fixed

NDMS 5.1 Alpha 3

New

Improved

Fixed

NDMS 5.1 Alpha 2

New

Improved

Fixed

NDMS 5.1 Alpha 1

New

Improved

Fixed

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