CVE-2025-29897

Low

Description

A buffer copy without checking size of input vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account, they can then exploit the vulnerability to modify memory or crash processes. We have already fixed the vulnerability in the following version: Qsync Central 5.0.0.4 and later

SeverityLow

CVSS2.3

Exploit probability—

ProductQsync Central

PublishedOct 15, 2026

First seenOct 15, 2026

Weakness typeCWE-120CWE-120 CWE-121CWE-121

How to fix

Update

QNAP Systems Inc. Qsync Central5.0.0.4 or later

Vendor advisories

qnap.com/en/app-release-notes?keyword=Qsync%20&app=QsyncServer&product-line=nas

Affected products

Product	Affected versions	Fixed in
QNAP Systems Inc. Qsync Central	5.0.x ≤ v < 5.0.0.4	5.0.0.4

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.