CVE-2023-31728: High severity teltonika networks rut240 vulnerability

Published Feb 17, 2024
·
Updated

Teltonika RUT240 devices with firmware before 07.04.2, when bridge mode is used, sometimes make SSH and HTTP services available on the IPv6 WAN interface even though the UI shows that they are only available on the LAN interface.

Affected Software

3 affected components
Teltonika RUT240<07.04.2
All of the following
Teltonika-networks Rut240 Firmware<00.07.04.2
Teltonika-networks Rut240

Event History

Feb 17, 2024
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·04:15 AM
DescriptionSeverity
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Frequently Asked Questions

1

What is the severity of CVE-2023-31728?

CVE-2023-31728 has been classified as a medium severity vulnerability due to the potential exposure of SSH and HTTP services on the IPv6 WAN interface.

2

How do I fix CVE-2023-31728?

To fix CVE-2023-31728, update the firmware of Teltonika RUT240 devices to version 07.04.2 or later.

3

What systems are affected by CVE-2023-31728?

CVE-2023-31728 affects Teltonika RUT240 devices running firmware versions prior to 07.04.2.

4

What are the risks associated with CVE-2023-31728?

The risks associated with CVE-2023-31728 include unauthorized access to SSH and HTTP services over the internet.

5

Is there a workaround for CVE-2023-31728?

A potential workaround for CVE-2023-31728 is to disable bridge mode if it's not required, reducing the attack surface.

Contact

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