PT-2026-1076 · Qnap · Quts Hero+1

Coral · Published 2026-01-02 · Updated 2026-01-02 · CVE-2025-52864

Positive Technologies (AI Summary)

CVSS v3.1

8.1

High

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Name of the Vulnerable Software and Affected Versions QNAP versions prior to QTS 5.2.7.3256 build 20250913 QNAP versions prior to QuTS hero h5.2.7.3256 build 20250913 QNAP versions prior to QuTS hero h5.3.0.3192 build 20250716

Description A buffer overflow condition exists in QNAP operating systems. A remote attacker who obtains a user account may be able to modify memory or cause processes to crash.

Recommendations Update QTS to version 5.2.7.3256 build 20250913 or later. Update QuTS hero to version h5.2.7.3256 build 20250913 or later. Update QuTS hero to version h5.3.0.3192 build 20250716 or later.

Fix

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2025-52864

Affected Products

Qts

Quts Hero

References · 6

• https://qnap.com/en/security-advisory/qsa-25-50 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-52864 · Security Note
• https://osv.dev/vulnerability/CVE-2025-52864 · Vendor Advisory
• https://t.me/CVEtracker/41239 · Telegram Post
• https://twitter.com/VulmonFeeds/status/2007149955492807077 · Twitter Post
• https://twitter.com/CVEnew/status/2007118437215318233 · Twitter Post