CVE-2025-14850 Advantech WebAccess/SCADA Improper Limitation of a Pathname to a Restricted Directory

High 7.2 Published 18 Dec 2025 Updated 18 Dec 2025

An attacker can exploit a directory traversal vulnerability in Advantech WebAccess/SCADA to delete arbitrary files, potentially causing denial of service.

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

What is CVE-2025-14850?

CVE-2025-14850 is a high-severity path traversal vulnerability in Advantech WebAccess/SCADA, published on 18 Dec 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Advantech WebAccess/SCADA is vulnerable to directory traversal, which may allow an attacker to delete arbitrary files.

Weakness: CWE-22

Which versions are affected by CVE-2025-14850?

It affects 1 product.

Products include Advantech Webaccess\/Scada.

How do I fix CVE-2025-14850?

No fix has been published for CVE-2025-14850 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2025-14850 being exploited?

There is no known exploitation of CVE-2025-14850 in the wild and no public exploit code.

Sources

Also known as GHSA-26jc-h8ww-vpqm.