Gateway, HUB, & Data Diode Releases

Firmware release file downloads are available to licensed Packet Power customers only. If you need a secure download link please contact support@packetpower.com. For more information on how to upgrade your Ethernet Gateway Firmware please visit Performing Firmware Upgrades.

Relevance tags denote features impacted by the specific firmware release. They include:

  • Stability – general system functions & performance

  • Security – networking security, usually related to recent security advisories

  • SNMP – features impacting SNMP interfaces

  • MODBUS – features impacting MODBUS interfaces

  • MQTT – features impacting MQTT interfaces

  • FEATURES - other features & interfaces

Release

Release Date

Relevance

Release Notes

4.5.0

2026/05/12

Stability FEATURES MODBUS

  • Device flash wear reduction

  • Added 64-bit type support (double, int64, uint64) to Modbus polling on HUBs

  • Updated boot splash screens

4.4.2

2026/04/24

Stability FEATURES

  • Add wired USB-PPBUS support (licensed option)

  • Fixed the authentication reset option

  • Improved HDPM support

  • iCast updates fixing premature completion cycling

  • Support for multiple panel file imports

4.4.1

2026/03/20

Stability

  • Fix for rebooting issues with some H/W versions

4.3.5

2026/03/02

Stability
SNMP

  • PowerIQ SNMP Support

4.3.4

2026/02/13

Stability


4.3.0

2025/12/19

FEATURES Security

  • Added support for PP-BUS USB Serial interfaces

  • Added configurable authentication timeouts and session auto renewal

  • Redesigned dashboard UI

4.2.2

2025/11/07

Stability Security

  • Faster firmware update transmission

  • UI fixes

  • Additional user support

  • Added enhanced firmware transmission, greatly speeding up performance on newer module firmware

  • EC4 UI fixes

  • Fixed P5 radio not starting race condition

  • Fixed NTP configuration

  • Fixed P5 user uploaded firmware management

  • Fixed adding additional users

4.2.1

2025/11/06

Stability

  • Updated packpow-p5 for T120 compatibility

  • Added /FRP endpoint for dynamic configuration of Cellular Gateways

  • Added iCast Status reporting to EMX Syslog

4.2.0

2025/10/16

Stability

  • Updated HDPM compatibility

  • Added endpoint for dynamic configuration of Cellular Gateways

  • Added node firmware upgrade status reporting to EMX

  • Fixed EMX Support Feed bandwidth usage

4.1.0

2025/08/08

Stability Security

  • XSS security updates

  • Enforced password complexity requirements

  • Miscellaneous security fixes.

  • Support for IPv6 configuration.

  • Single active session enforcement

  • Fixed SSL Certificate Upload

4.0.0

2025/05/22

Stability

  • All backend dependencies upgraded

  • Improved our hardware support by switching to a newer, more reliable way of handling backend inputs and outputs.

  • Added Support for new baseboards with double RAM, 10/100/1000BaseT Gigabit Ethernet, WIFI (not yet available), and additional connectivity.

  • Updated to Panel systems to fix bugs and improved delta support.

  • Various bug fixes

3.3.3

2025/04/03

Stability Security

  • Final 3.x.x release

  • Security page bug fixes

  • Fixed checkboxes on console UI

  • BACnet Channel units for percentages and fahrenheit

  • Fixed link display on Mesh Status

3.2.0

2024/10/29

Stability SNMP MODBUS MQTT FEATURES

  • The new dashboard UI now includes the module’s history

  • Modbus2MQTT Table storage rewrite

  • Remove old WNC2 modules

  • Fix EC4 radio zone selection

  • UI Bugfixes Including select boxes and Frozen loading pages

  • OS Security patches

3.1.0

2024/09/27

FEATURES

  • Update UI to use Webpack

  • Update D3 to latest

  • Update to Bootstrap 5

  • Update Angular

  • Update SVG builder to 2.0.3 to support T12

  • General Console UI tweaks

  • New HUB Modbus implementation using new

  • BACnet TAPI fixes

  • Support for Peer polling over HTTPS

  • Performance and reliability update to Modbus bridges

3.0.1

2024/08/05

Stability FEATURES

  • New UI theme new branding, menu tree, titles and, table actions.

  • Rewritten Offline Time synchronization modules resulting in more consistent time for E4s without NTP (NTP is still recommended/required)

  • Fix for Local EMX Hub issues

  • Add Watchdogs for Peerpoller

  • Add support for Leak detector channels and decoding

  • Add support for new P5 Images

  • Updated OS internals

2.8.2

2024/05/24

Stability SNMP MODBUS MQTT FEATURES

  • Final 2.x.x release

  • Major OS upgrade

1.19.5


Stability

  • Final 1.x.x release
    Required prior to upgrade from 1.x.x to 2.x.x or beyond