PT-2026-1088 · Qnap · Quts Hero+1

Coral · Published 2026-01-02 · Updated 2026-01-02 · CVE-2025-54166

Positive Technologies (AI Summary)

CVSS v3.1

4.9

Medium

Base vector

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

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 h5.3.1.3250 build 20250912

Description An out-of-bounds read issue exists in QNAP NAS operating systems. A remote attacker who obtains an administrator account can exploit this issue to access sensitive data.

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 h5.3.1.3250 build 20250912 or later.

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2025-54166

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-2025-54166 · Security Note
• https://osv.dev/vulnerability/CVE-2025-54166 · Vendor Advisory
• https://twitter.com/VulmonFeeds/status/2007121797968171494 · Twitter Post
• https://t.me/CVEtracker/41251 · Telegram Post
• https://twitter.com/CVEnew/status/2007118426087837877 · Twitter Post