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High ICSA-26-281-01 7 CVEs

Red Lion Controls N-Tron 700 Series - Update A

Published Oct 8, 2026 · Updated Oct 15, 2026 · Revision 2

Vendor: Red Lion Controls Product: 700 Series

Summary

Successful exploitation of these vulnerabilities could allow a malicious user to access the device and gain administrative access. This access would allow the user to view, edit, and upload configuration files. Further, a malicious user can cause the switch to reboot by navigating to a specific URL on the device. This action can be scripted on the malicious user's local machine to cause continuous rebooting of the switch.

Vulnerabilities 7

  • High 8.3
    CVE-2026-39453

    Red Lion Controls N-Tron 700 Series Reachable Assertion

    Navigating to a certain URL on the switch’s web server causes the switch to reboot. This can be automated using a tool like curl to create DoS conditions where the switch constantly reboots.

    Red Lion Controls 700 Series
  • High 8.1
    CVE-2026-33367

    Red Lion Controls N-Tron 700 Series Missing Authentication for Critical Function

    SNMP can be used to perform administrative actions such as retrieving configuration files, modifying user accounts or device settings, and initiating firmware or bootloader upgrades or downgrades—all without any authentication.

    Red Lion Controls 700 Series
  • High 8.1
    CVE-2026-39460

    Red Lion Controls N-Tron 700 Series Insufficiently Protected Credentials

    Usernames and passwords, including the default factory credentials, are stored in plaintext within the configuration file. With administrator rights, the configuration file can be viewed through the CLI or they can be exported from the device through a TFTP t…

    Red Lion Controls 700 Series
  • High 7.5
    CVE-2026-28745

    Red Lion Controls N-Tron 700 Series Storing Passwords in a Recoverable Format

    Usernames and passwords, including the default credentials, are stored in the configuration file using weak encryption. If the default credentials are known by a malicious user, they could obtain other credentials on the system.

    Red Lion Controls 700 Series
  • High 7.1
    CVE-2026-29797

    Red Lion Controls N-Tron 700 Series Download of Code Without Integrity Check

    No authentication is required when updating firmware or bootloader, making it easy for malicious files to be pushed to the device. Additionally, anyone with the same software can scan a network for N-Tron devices and push/pull firmware without authenticating …

    Red Lion Controls 700 Series
  • Medium 6.0
    CVE-2026-32645

    Red Lion Controls N-Tron 700 Series Use of Hard-Coded Credentials

    Default factory credentials with administrative access are enabled and persist even after configuring other administrator accounts.

    Red Lion Controls 700 Series
  • Medium 4.9
    CVE-2026-33272

    Red Lion Controls N-Tron 700 Series Authentication Bypass Using an Alternate Path or Channel

    A malicious user with physical access to the device can boot the switch from factory settings without authentication, use the default administrative credentials to obtain administrative access, and save changes to the configuration file so that they persist n…

    Red Lion Controls 700 Series

Revision history

  1. #2

    Updated CVSS V4.0 Scores, and broken links

  2. #1

    Initial Publication

References