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Note: This release is available through both online and offline firmware update mechanisms. Refer to the Installation Guide and User Manual for update methods and how to retrieve the package.

New Features since the last release (UTM9S v3.1.0-149) :

  • None. 

Issue(s) are resolved since last Release v3.1.0-149:

  • Fixed issue where the ADSL module would lose connection after ISP reset.

Known Issues and Limitations:

  • Invalid MTU on WAN interface shouldn't be allowed.
  • Resource Name entry on the VPN -> SSL VPN -> Resources page is not able to be deleted if special characters are used in the IP/Name.
  • Login page username max length and actual username max length mismatch.
  • The UTM does not broadcast its connected VLAN interface routes.
  • Not able to hear voice after call is established from dmz to lan with  server on wan side and dmz side.
  • Unable to access the security page and showing a blank page after deleting secondary ip address if it is associated with a firewall rule.
  • Unable to run inbound traffic with service as ANY, if we add outbound rule with an interface that is down with ANY service.

Caveats:

When installing SSLvpn, if there is a failure, a cache clean-up of the SSL-VPN adaptor is necessary. Use one of the following URLs to initiate the cleanup:

  • For 32-bit PCs, select the following url:
    https://<device IP>scgi-bin/users_portal/removeactivex?launch=true&is32bit=true
  • For 64-bit PCs, select  the following url:
    https://<device IP>/scgi-bin/users_portal/removeactivex?launch=true&is32bit=false

To Install

Firmware upgrade from update server:

================================
  • Installed firmware versions older than 1.3.7:
    If your firmware is older than 1.3.7 (<1.3.7) it cannot be updated directly to firmware newer than 1.3.7. Only firmware images older than 1.3.7 will be displayed when you query the update server (Application=>System Update=>Firmware). To upgrade to firmware newer than 1.3.7 you must first upgrade your system to 1.3.7. You can then perform the firmware update query again to display the newer firmware images (Application=>System Update=>Firmware).
  • Installed firmware versions 1.3.7 and above:
    If your firmware is version 1.3.7 or above, when you query the update server all firmware versions will be displayed.
  1. Download the file, unzip it and follow the instructions provided in the user manual to upload the firmware.

This product includes software code developed by third parties, including software code subject to the GNU General Public License ("GPL") or GNU Lesser General Public License ("LGPL"). As applicable, the terms of the GPL and LGPL, and information on obtaining access to the GPL Code and LGPL Code used in this product, are available to you at NETGEAR's Open Source Code Web page

Last Updated:10/17/2025 | Article ID: 22754

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