Written by Jakub Zikuška, Thursday 29 May 2025
Advantech is excited to announce the latest version of ICR-OS, the proprietary firmware for our cellular routers. This major release brings a range of new features and improvements aimed at enhancing both the functionality and security of our routers. All newly assembled routers will come with this firmware version pre-installed.
For a full breakdown of the advancements and changes in this release, we encourage you to review the official Release Notes.
1. Cellular Synchronization with Date and Time Added: Added possibility to synchronize date and time with the cellular network.
2. Cellular Communication Log Added: Added logging of AT, QMI and MBIM communication with the cellular module.
3. WireGuard Tunnel Subnets Capacity Modified: Increased the maximum number of Remote subnets in the WireGuard tunnel configuration from 4 to 32.
4. Added New Ciphers to IPsec Tunnel Configuration: Upgraded strongSwan to version 6.0.1 and added new ciphers to the IPsec tunnel configuration.
5. OpenSSH Upgraded: Upgraded OpenSSH to version 10.0. This fixes several minor security vulnerabilities and a temporary connection rejection after a previous session expired unauthenticated.
6. ICR-27/2800 Cellular Lock-up Fix: Fixed cellular module lock-up on ICR-27/2800 occurring after a failed connection reconfiguration.
7. Follow STA Radio Settings Option Fixed: Fixed availability of the Follow STA Radio Settings option in the WiFi AP Configuration on ICR-41/4200.
Availability
The new firmware can be downloaded directly to the router from Advantech's public server, or manually from the Firmware or Router Models pages. For specific firmware versions and compatibility details, please refer to the Firmware Compatibility Chart document.
