CVE-2026-67248

High

Description

A stack-based buffer overflow vulnerability was found in the File Explorer on the ADM. The vulnerability occurs because user-controlled input is not properly validated before being decoded and copied into a fixed-size stack buffer. An authenticated attacker can exploit this issue to cause denial of service of the affected CGI process. Further impact may be possible depending on exploitability and runtime protections. Affected products and versions include: from ADM 4.1.0 through ADM 4.3.3.RUN1 as well as from ADM 5.0.0 through ADM 5.1.3.RI81.

SeverityHigh

CVSS8.8

Exploit probability—

ProductAsustor Data Master

PublishedJul 30, 2026

First seenJul 30, 2026

Weakness typeCWE-121CWE-121

How to fix

Update

asustor data_master5.1.4.rjv2 or later

Vendor advisories

asustor.com/security/security_advisory_detail?id=69

Affected products

Product	Affected versions	Fixed in
asustor data_master	4.1.0.rhu2 ≤ v ≤ 4.3.3.run1, 5.0.0.ra82 ≤ v < 5.1.4.rjv2	5.1.4.rjv2

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