PT-2025-35275 · Qnap · Qnap Qts+1

Coral + 2 · Published 2025-08-29 · Updated 2025-08-29 · CVE-2025-30265

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions QNAP QTS versions prior to 5.2.5.3145 build 20250526 QNAP QuTS hero versions prior to h5.2.5.3138 build 20250519

Description A buffer overflow issue has been reported in QNAP operating systems. A remote attacker who has obtained a user account may be able to modify memory or crash processes by exploiting this issue.

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

Stack Overflow

Buffer Overflow

Weakness Enumeration

CWE-121

CWE-120

Related Identifiers

CVE-2025-30265

Affected Products

Qnap Qts

Qnap Quts Hero

References · 6

• https://qnap.com/en/security-advisory/qsa-25-21 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-30265 · Security Note
• https://osv.dev/vulnerability/CVE-2025-30265 · Vendor Advisory
• https://twitter.com/VulmonFeeds/status/1961566754452218254 · Twitter Post
• https://twitter.com/CVEnew/status/1961481694180942279 · Twitter Post
• https://t.me/CVEtracker/31251 · Telegram Post