BaseFortify

Publication date: 2025-10-03

Last updated on: 2025-10-08

Assigner: QNAP Systems, Inc.

Description

A NULL pointer dereference vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account, they can then exploit the vulnerability to launch a denial-of-service (DoS) attack. We have already fixed the vulnerability in the following version: Qsync Central 5.0.0.1 ( 2025/07/09 ) and later

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2025-10-03

Last Modified

2025-10-08

Generated

2026-07-06

AI Q&A

2025-10-03

EPSS Evaluated

2026-07-05

NVD

CVE-2025-44011

Affected Vendors & Products

Vendor	Product	Version / Range
qnap	qsync_central	From 4.2.0.0 (inc) to 5.0.0.1 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-476	The product dereferences a pointer that it expects to be valid but is NULL.

Attack-Flow Graph

Executive Summary

This vulnerability is a NULL pointer dereference in Qsync Central. It can be exploited by a remote attacker who has gained a user account to cause a denial-of-service (DoS) attack, making the service unavailable.

Impact Analysis

If exploited, this vulnerability can cause a denial-of-service (DoS) attack, disrupting the availability of Qsync Central services and potentially impacting business operations that rely on it.

Mitigation Strategies

To mitigate this vulnerability, you should upgrade Qsync Central to version 5.0.0.1 (released on 2025/07/09) or later, as the vulnerability has been fixed in these versions.

Hi! I’m here to help you understand CVE-2025-44011. Ask me anything about the vulnerability, its impact, or mitigation strategies.

0/70