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Vulnerabilities ›

CVE-2025-52872

High
A buffer overflow vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains a user account, they can then exploit the vulnerability to modify memory
CWE-120 — Weakness Type
Published: Jan 2, 2026  ·  Modified: Feb 28, 2026  ·  Source: NVD
CVSS v3
8.1
🔗 NVD Official
📄 Description (English)

A buffer overflow vulnerability has been reported to affect several QNAP operating system versions. 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 versions:
QTS 5.2.7.3256 build 20250913 and later
QuTS hero h5.2.7.3256 build 20250913 and later
QuTS hero h5.3.0.3192 build 20250716 and later

🤖

Queued for AI Analysis

This CVE will be auto-analyzed on the next cron run.

📦 Affected Products / CPE 34 entries
qnap:quts_hero:h5.2.0.2737
qnap:quts_hero:h5.2.0.2782
qnap:quts_hero:h5.2.0.2789
qnap:quts_hero:h5.2.0.2802
qnap:quts_hero:h5.2.0.2823
qnap:quts_hero:h5.2.0.2851
qnap:quts_hero:h5.2.0.2860
qnap:quts_hero:h5.2.1.2929
qnap:quts_hero:h5.2.1.2940
qnap:quts_hero:h5.2.2.2952
qnap:quts_hero:h5.2.3.3006
qnap:quts_hero:h5.2.4.3070
qnap:quts_hero:h5.2.4.3079
qnap:quts_hero:h5.2.5.3138
qnap:quts_hero:h5.2.6.3195
qnap:quts_hero:h5.3.0.3115
qnap:quts_hero:h5.3.0.3145
qnap:quts_hero:h5.3.0.3192
qnap:qts:5.2.0.2737
qnap:qts:5.2.0.2744
qnap:qts:5.2.0.2782
qnap:qts:5.2.0.2802
qnap:qts:5.2.0.2823
qnap:qts:5.2.0.2851
qnap:qts:5.2.0.2860
qnap:qts:5.2.1.2930
qnap:qts:5.2.2.2950
qnap:qts:5.2.3.3006
qnap:qts:5.2.4.3070
qnap:qts:5.2.4.3079
qnap:qts:5.2.4.3092
qnap:qts:5.2.5.3145
qnap:qts:5.2.6.3195
qnap:qts:5.2.6.3229
📊 CVSS Score
8.1
/ 10.0 — High
📊 CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Attack VectorN — None / Network
Attack ComplexityL — Low / Local
Privileges RequiredL — Low / Local
User InteractionN — None / Network
ScopeU — Unchanged
ConfidentialityN — None / Network
IntegrityH — High
AvailabilityH — High
📋 Quick Facts
Severity High
CVSS Score8.1
CWECWE-120
EPSS0.12%
Exploit No
Patch ✓ Yes
Published 2026-01-02
Source Feed nvd
Views 2
🏷️ Tags
CWE-120
🏢 Vendor Advisories
🔗 https://www.qnap.com/en/security-advisory/qsa-25-50
⚡ Actions
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