PT-2025-35281 · Qnap · Quts Hero+1

Coral · Published 2025-08-29 · Updated 2025-08-29 · CVE-2025-30273

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 5.2.5.3145 build 20250526 QNAP versions prior to QuTS hero h5.2.5.3138 build 20250519

Description An out-of-bounds write issue exists in QNAP operating systems. A remote attacker with a user account can exploit this issue to modify or corrupt memory.

Recommendations Update QTS to version 5.2.5.3145 build 20250526 or later. Update QuTS hero to version h5.2.5.3138 build 20250519 or later.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2025-30273

Affected Products

Qts

Quts Hero

References · 6

• https://qnap.com/en/security-advisory/qsa-25-21 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-30273 · Security Note
• https://osv.dev/vulnerability/CVE-2025-30273 · Vendor Advisory
• https://twitter.com/VulmonFeeds/status/1961551394772500670 · Twitter Post
• https://t.me/CVEtracker/31257 · Telegram Post
• https://twitter.com/CVEnew/status/1961484501357322240 · Twitter Post