CVE-2025-48721 LOW

CVE-2025-48721: QTS, QuTS hero

Vendor Qnap Systems Inc.
Product QTS
Weakness CWE-120
Published January 2, 2026
Last update January 2, 2026

CVSS base score

1.2/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality
Integrity

CVSS 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

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

January 2, 2026 CVE published
January 2, 2026 Record updated