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 versions: QTS 5.2.9.3410 build 20260214 and later QuTS hero h5.2.9.3410 build 20260214 and later QuTS hero h5.3.4.3500 build 20260520 and later QuTS hero h6.0.0.3397 build 20260206 and later
History

Tue, 09 Jun 2026 09:15:00 +0000

Type Values Removed Values Added
First Time appeared Qnap Systems
Qnap Systems qts
Qnap Systems quts Hero
Vendors & Products Qnap Systems
Qnap Systems qts
Qnap Systems quts Hero

Tue, 09 Jun 2026 07:45:00 +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 versions: QTS 5.2.9.3410 build 20260214 and later QuTS hero h5.2.9.3410 build 20260214 and later QuTS hero h5.3.4.3500 build 20260520 and later QuTS hero h6.0.0.3397 build 20260206 and later
Title QTS, QuTS hero
Weaknesses CWE-121
References
Metrics cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: qnap

Published:

Updated: 2026-06-09T06:17:30.787Z

Reserved: 2025-10-24T02:43:49.269Z

Link: CVE-2025-62858

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-06-09T08:16:26.503

Modified: 2026-06-09T08:16:26.503

Link: CVE-2025-62858

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-09T09:00:08Z