A buffer overflow vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to modify memory or crash processes.

We have already fixed the vulnerability in the following version:
QTS 5.2.8.3332 build 20251128 and later
Advisories

No advisories yet.

Fixes

Solution

We have already fixed the vulnerability in the following version: QTS 5.2.8.3332 build 20251128 and later


Workaround

No workaround given by the vendor.

History

Fri, 02 Jan 2026 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 02 Jan 2026 15:30:00 +0000

Type Values Removed Values Added
Description A buffer overflow vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to modify memory or crash processes. We have already fixed the vulnerability in the following version: QTS 5.2.8.3332 build 20251128 and later
Title QTS, QuTS hero
Weaknesses CWE-120
CWE-121
References
Metrics cvssV4_0

{'score': 1.2, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: qnap

Published:

Updated: 2026-01-02T19:13:09.727Z

Reserved: 2025-05-23T07:43:55.795Z

Link: CVE-2025-48721

cve-icon Vulnrichment

Updated: 2026-01-02T19:13:05.082Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-01-02T16:16:59.100

Modified: 2026-01-02T16:45:26.640

Link: CVE-2025-48721

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses