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EPSS 0.3%top 81%

CVE-2025-29897: CWE-120 in QNAP Systems Inc. Qsync Central

0
Low
VulnerabilityCVE-2025-29897cvecve-2025-29897cwe-120cwe-121
Published: 10/15/2026 (10/15/2026, 06:57:40 UTC)
Source: CVE Database V5
Vendor/Project: QNAP Systems Inc.
Product: Qsync Central

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

CVSS v4.0

Score 2.3low

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
Present
Privileges Required
Low
User Interaction
None
Vuln. Confidentiality
None
Vuln. Integrity
None
Vuln. Availability
Low
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Affected software

QNAP Systems Inc.

Qsync Central

Affected versions
>=5.0.x <5.0.0.4
GitHub Actionsmore threats →ai
qnap-systems-inc/Qsync-Central
pkg:github/qnap-systems-inc/Qsync-Central
Affected versions
>=5.0.0 <5.0.0.4

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 10/15/2026, 07:34:15 UTC

Technical Analysis

This vulnerability involves a buffer copy operation without proper input size validation in Qsync Central. An attacker who has obtained a user account can exploit this flaw to alter memory contents or cause process crashes. The vulnerability is identified as CWE-120. It affects versions prior to 5.0.0.4, and has been addressed in version 5.0.0.4 and later.

Potential Impact

An attacker with a user account can exploit this vulnerability to modify memory or crash processes, potentially causing denial of service or unexpected behavior. The CVSS score is low (0.6), indicating limited impact and exploitability.

Mitigation Recommendations

Upgrade Qsync Central to version 5.0.0.4 or later, where this vulnerability has been fixed. No additional mitigation steps are required once the update is applied.

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Technical Details

Data Version
5.2
Assigner Short Name
qnap
Date Reserved
2025-03-12T08:51:05.986Z
Cvss Version
4.0
State
PUBLISHED

Threat ID: 6ad07e6f2cdf04f65612bc0e

Added to database: 10/15/2026, 07:19:11 UTC

Last enriched: 10/15/2026, 07:34:15 UTC

Last updated: 10/15/2026, 19:04:20 UTC

Views: 19

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