CVE-2025-62858

No fix known EPSS <1%CVSS 5.1

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

Published 2026-06-09 · CVE record · OSV

Products: QNAP Systems Inc. QTS, QNAP Systems Inc. QuTS hero