CVE-2025-29894Network attack vector

Authenticated code execution via undisclosed SQL injection

Published Aug 29, 2025 · Updated Aug 29, 2025

SQL injection in QNAP Qsync Central 4.5.x before 4.5.0.7 allows remote authenticated users to execute unauthorized code or commands. QNAP has not published the vulnerable endpoint, parameter, query construction, or database operation that mishandles untrusted input. A valid user account and network access to the NAS are required; the vendor reports code or command execution but provides no further scope.

CVSS severity7.5
High
EPSS probability0.46%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

SQL injection in QNAP Qsync Central 4.5.x before 4.5.0.7 allows remote authenticated users to execute unauthorized code or commands. QNAP has not published the vulnerable endpoint, parameter, query construction, or database operation that mishandles untrusted input. A valid user account and network access to the NAS are required; the vendor reports code or command execution but provides no further scope.

The record

CVE
CVE-2025-29894
Published
Aug 29, 2025
Updated
Aug 29, 2025
Vendor
Linn Products Limited
Product
Qsync Central
Classifications
CWE-89, CAPEC-108, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 29, 2025CVE publishedPublication date reported by the CVE source.
  2. Aug 29, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=4.5.x.x <4.5.0.7 ( 2025/04/23 )

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Linn Products Limited · Qsync Centralversion=4.5.x.x <4.5.0.7 ( 2025/04/23 )

Published CVSS scores

8.8NIST National Vulnerability DatabaseCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.5QNAP Systems, Inc.CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-89Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
CAPEC-108Command Line Execution through SQL Injection
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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