CVE-2026-9774

Medium

Description

ATEN Unizon updateLicense Directory Traversal Arbitrary File Deletion Vulnerability. This vulnerability allows remote attackers to delete arbitrary files on affected installations of ATEN Unizon. Authentication is required to exploit this vulnerability. The specific flaw exists within the updateLicense 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 delete files or create a denial-of-service condition on the system. Was ZDI-CAN-28502.

SeverityMedium

CVSS6.5

Exploit probability—

ProductAten Unizon

PublishedJun 24, 2026

First seenJun 24, 2026

Weakness typeCWE-22Path traversal

How to fix

Update

aten unizon2.7.264 or later

Vendor advisories

aten.com/global/en/supportcenter/info/security-advisory/27/

Affected products

Product	Affected versions	Fixed in
aten unizon	v < 2.7.264	2.7.264

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