CVE-2026-9778 ATEN Unizon ImportDeviceList Directory Traversal Remote Code Execution Vulnerability

High 7.2 Published Updated

Remote attackers with authentication can execute arbitrary code as SYSTEM via directory traversal in the ImportDeviceList method.

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

What is CVE-2026-9778?

CVE-2026-9778 is a high-severity path traversal vulnerability in ATEN Unizon, published on 24 Jun 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

ATEN Unizon ImportDeviceList Directory Traversal Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of ATEN Unizon. Authentication is required to exploit this vulnerability.

The specific flaw exists within the ImportDeviceList method. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. Was ZDI-CAN-28579.

Weakness: CWE-22

Which versions are affected by CVE-2026-9778?

It affects 1 product.

Products include Aten Unizon.

How do I fix CVE-2026-9778?

No fix has been published for CVE-2026-9778 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-2026-9778 being exploited?

There is no known exploitation of CVE-2026-9778 in the wild and no public exploit code.

Sources

Also known as GHSA-8584-g8g6-7rhx.

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