CVE-2024-23962 Alpine Halo9 Missing Authentication

Medium 5.3 Published 30 Jan 2025 Updated 1 Jul 2025

Remote attackers can access the DLT interface without authentication to disclose sensitive information and potentially execute arbitrary code on Alpine Halo9 devices.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2024-23962?

CVE-2024-23962 is a medium-severity missing authorization vulnerability in Alpine Halo9, published on 30 Jan 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Alpine Halo9 devices. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the DLT interface, which listens on TCP port 3490 by default. The issue results from the lack of authentication prior to allowing access to functionality. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the device.

Weakness: CWE-200

Which versions are affected by CVE-2024-23962?

It affects 1 product.

Products include Alpsalpine Ilx-F509 Firmware.

How do I fix CVE-2024-23962?

No fix has been published for CVE-2024-23962 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2024-23962 being exploited?

There is no known exploitation of CVE-2024-23962 in the wild and no public exploit code.

Sources

Also known as GHSA-4pmj-qpm8-x7gv.