CVE-2025-62848 HIGH

CVE-2025-62848: QTS, QuTS hero

Vendor Qnap Systems Inc.
Product QTS
Weakness CWE-476
Published December 16, 2025
Last update March 18, 2026

CVSS base score

8.1/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U

What the vulnerability does

01Description

A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. The remote attackers can then exploit the vulnerability to launch a denial-of-service (DoS) attack. We have already fixed the vulnerability in the following versions: QTS 5.2.7.3297 build 20251024 and later QuTS hero h5.2.7.3297 build 20251024 and later QuTS hero h5.3.1.3292 build 20251024 and later

Key dates

02Disclosure timeline

December 16, 2025 CVE published
March 18, 2026 Record updated