Cyber Posture

CVE-2025-54153

High

Published: 03 October 2025

Published
03 October 2025
Modified
08 October 2025
KEV Added
Patch
CVSS Score 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0010 27.3th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-54153 is a high-severity SQL Injection (CWE-89) vulnerability in Qnap Qsync Central. Its CVSS base score is 8.8 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 27.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified are NIST 800-53 SI-10 (Information Input Validation) and SI-2 (Flaw Remediation).

Threat & Defense at a Glance

What attackers do: exploitation maps to Exploit Public-Facing Application (T1190) and 1 other technique. What defenders deploy: see the NIST 800-53 controls recommended below.
Threat & Defense Details

Mitigating Controls (NIST 800-53 r5)AI

prevent

Directly prevents SQL injection exploitation in Qsync Central by requiring validation of user inputs to block malicious SQL code execution.

prevent

Addresses the specific SQL injection flaw by mandating timely identification, reporting, and patching to Qsync Central 5.0.0.2 or later.

detect

Facilitates discovery of SQL injection vulnerabilities like CVE-2025-54153 through ongoing monitoring and scanning for remediation.

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
T1059.004 Unix Shell Execution
Adversaries may abuse Unix shell commands and scripts for execution.
Why these techniques?

SQL injection in public-facing Qsync Central web component directly enables remote exploitation (T1190) and leads to OS command execution on Linux-based QNAP system (T1059.004).

Confidence: HIGH · MITRE ATT&CK Enterprise v18.1

NVD Description

An SQL injection vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account, they can then exploit the vulnerability to execute unauthorized code or commands. We have already fixed the vulnerability in the following…

more

version: Qsync Central 5.0.0.2 ( 2025/07/31 ) and later

Deeper analysisAI

CVE-2025-54153 is an SQL injection vulnerability (CWE-89) affecting Qsync Central, a component from QNAP. Published on 2025-10-03, it enables remote exploitation leading to unauthorized code or command execution once an attacker obtains a user account.

A remote attacker with low privileges (PR:L), such as any valid user account, can exploit the vulnerability over the network (AV:N) with low attack complexity (AC:L) and no user interaction (UI:N). Successful exploitation results in high impacts on confidentiality, integrity, and availability (C:H/I:H/A:H), yielding an overall CVSS v3.1 score of 8.8 in an unchanged scope (S:U).

QNAP has fixed the vulnerability in Qsync Central version 5.0.0.2, released on 2025/07/31, and all later versions. Additional details are available in the vendor's security advisory at https://www.qnap.com/en/security-advisory/qsa-25-35.

Details

CWE(s)

Affected Products

qnap
qsync central
5.0.0.0 — 5.0.0.2

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References