QNAP Systems Qsync Central prior 5.0.0.4 out-of-range pointer offset

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in QNAP Systems Qsync Central and classified as problematic. This affects an unknown function. Executing a manipulation can lead to use of out-of-range pointer offset. This vulnerability is handled as CVE-2025-54152. The attack can be executed remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in QNAP Systems Qsync Central and classified as problematic. This vulnerability affects an unknown code. The manipulation with an unknown input leads to a use of out-of-range pointer offset vulnerability. The CWE definition for the vulnerability is CWE-823. The product performs pointer arithmetic on a valid pointer, but it uses an offset that can point outside of the intended range of valid memory locations for the resulting pointer. As an impact it is known to affect availability. CVE summarizes:

A use of out-of-range pointer offset vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account, they can then exploit the vulnerability to read sensitive portions of memory. We have already fixed the vulnerability in the following version: Qsync Central 5.0.0.4 ( 2026/01/20 ) and later

The weakness was released by coral as qsa-26-02. The advisory is shared for download at qnap.com. This vulnerability was named CVE-2025-54152 since 07/17/2025. The exploitation appears to be easy. The attack can be initiated remotely. There are neither technical details nor an exploit publicly available.

Upgrading to version 5.0.0.4 eliminates this vulnerability.

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Productinfo

Vendor

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License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Use of out-of-range pointer offset
CWE: CWE-823
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Qsync Central 5.0.0.4

Timelineinfo

07/17/2025 CVE reserved
02/11/2026 +209 days Advisory disclosed
02/11/2026 +0 days VulDB entry created
02/12/2026 +1 days VulDB entry last update

Sourcesinfo

Advisory: qsa-26-02
Researcher: coral
Status: Confirmed

CVE: CVE-2025-54152 (🔒)
GCVE (CVE): GCVE-0-2025-54152
GCVE (VulDB): GCVE-100-345496

Entryinfo

Created: 02/11/2026 15:03
Updated: 02/12/2026 15:56
Changes: 02/11/2026 15:03 (67), 02/12/2026 15:56 (12)
Complete: 🔍
Cache ID: 216::103

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