Security Advisory
Cybersecurity
As IoT adoption continues to proliferate, cybersecurity has become one of the top priorities. Aten created a vulnerability management policy to provide guidance and information to our customers in the event of a reported vulnerability. The management policy ensures that Aten's customers have steady, unambiguous resources to help them understand how Aten resolves or mitigates reported vulnerabilities.
2026-SA-2
ZDI-CAN-28502: ATEN Unizon updateLicense Directory Traversal Arbitrary File Deletion Vulnerability
This vulnerability exists in the `/rest/system/license` endpoint handler within the `LicenseController.updateLicense()` method. The application fails to properly validate user-controlled filenames during license file uploads,allowing authenticated administrators to perform directory traversal attacks that result in arbitrary file deletion with NT\SYSTEM privileges.
Solution:
ATEN has released a security update to address this vulnerability.
Fixed version: FW V2.7.264.001
Release Date: 2026/04/15
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