CVE-2026-24933

Medium

Description

The API communication component fails to validate the SSL/TLS certificate when sending HTTPS requests to the server. An improper certificates validation vulnerability allows an unauthenticated remote attacker can perform a Man-in-the-Middle (MitM) attack to intercept the cleartext communication, potentially leading to the exposure of sensitive user information, including account emails, MD5 hashed passwords, and device serial numbers. Affected products and versions include: from ADM 4.1.0 through ADM 4.3.3.ROF1 as well as from ADM 5.0.0 through ADM 5.1.1.RCI1.

SeverityMedium

CVSS5.9

Exploit probability—

ProductAsustor Data Master

PublishedFeb 3, 2026

First seenFeb 3, 2026

Weakness typeCWE-295CWE-295

How to fix

Update

asustor data_master5.1.2.re51 or later

Vendor advisories

asustor.com/security/security_advisory_detail?id=50

Affected products

Product	Affected versions	Fixed in
asustor data_master	4.1.0.rhu2 ≤ v ≤ 4.3.3.rof1, 5.0.0.ra82 ≤ v < 5.1.2.re51	5.1.2.re51

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