PT-2025-40571 · Qnap · Qts+1

Coral · Published 2025-10-03 · Updated 2025-10-03 · CVE-2025-52433

Positive Technologies (AI Summary)

CVSS v4.0

5.1

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions QNAP operating system versions prior to QTS 5.2.6.3195 build 20250715 QNAP operating system versions prior to QuTS hero h5.2.6.3195 build 20250715

Description A NULL pointer dereference issue exists in QNAP operating systems. Successful exploitation could allow a remote attacker with administrator privileges to trigger a denial-of-service (DoS) condition.

Recommendations Update QTS to version 5.2.6.3195 build 20250715 or later. Update QuTS hero to version h5.2.6.3195 build 20250715 or later.

Fix

DoS

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2025-52433

Affected Products

Qts

Quts Hero

References · 5

• https://osv.dev/vulnerability/CVE-2025-52433 · Vendor Advisory
• https://qnap.com/en/security-advisory/qsa-25-36 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-52433 · Security Note
• https://twitter.com/CVEnew/status/1974177829840372171 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1974236536703963544 · Twitter Post