CVE-2025-8473 Alpine iLX-507 UPDM_wstpCBCUpdStart Command Injection Vulnerability

Medium 6.4 Published 1 Aug 2025 Updated 1 Aug 2025

Physically present attackers can execute arbitrary code with root privileges on Alpine iLX-507 devices via improper input validation in the update function.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2025-8473?

CVE-2025-8473 is a medium-severity command injection vulnerability in Alpine iLX-507, published on 1 Aug 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Alpine iLX-507 UPDM_wstpCBCUpdStart Command Injection Vulnerability. This vulnerability allows physically present attackers to execute arbitrary code on affected installations of Alpine iLX-507 devices. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the UPDM_wstpCBCUpdStart function. The issue results from the lack of proper validation of user-supplied data before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-26317.

Weakness: CWE-78

Which versions are affected by CVE-2025-8473?

It affects 1 product.

Products include Alpsalpine Ilx-507 Firmware.

How do I fix CVE-2025-8473?

No fix has been published for CVE-2025-8473 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2025-8473 being exploited?

There is no known exploitation of CVE-2025-8473 in the wild and no public exploit code.

Sources

Also known as GHSA-99rf-9fx6-652g.