CVE-2026-24932

MEDIUM

ASUSTOR Data Master 4.1.0-4.3.3.ROF1 and 5.0.0-5.1.1.RCI1 - Improper Certificate Validation in DDNS Update Function

Title source: llm
STIX 2.1

Description

The DDNS update function in ADM fails to properly validate the hostname of the DDNS server's TLS/SSL certificate. Although the connection uses HTTPS, an improper validated TLS/SSL certificates allows a remote attacker can intercept the communication to perform a Man-in-the-Middle (MitM) attack, which may obtain the sensitive information of DDNS updating process, including the user's account email, MD5 hashed password, and device serial number.This issue affects ADM: from 4.1.0 through 4.3.3.ROF1, from 5.0.0 through 5.1.1.RCI1.

References (1)

Core 1
Core References

Scores

CVSS v3 5.9
EPSS 0.0021
EPSS Percentile 10.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-295
Status published
Products (1)
asustor/data_master 4.1.0.rhu2 - 4.3.3.rof1
Published Feb 03, 2026
Tracked Since Feb 18, 2026