PT-2025-35275 · Qnap · Qnap Quts Hero +1

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

Positive Technologies · (AI Summary)

CVSS v4.0

2.3

2.3

Low

Base vector

AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

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

Buffer Overflow

Stack Overflow

Weakness Enumeration

CWE-120

CWE-121

Related Identifiers

CVE-2025-30265

Affected Products

Qnap Qts

Qnap Quts Hero

References · 5

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