PT-2025-40580 · Qnap · Qts+1

Coral · Published 2025-10-03 · Updated 2025-10-03 · CVE-2025-52858

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 versions prior to QTS 5.2.6.3195 build 20250715 QNAP versions prior to QuTS hero h5.2.6.3195 build 20250715

Description A flaw exists where a remote attacker, having obtained administrator privileges, can trigger a denial-of-service (DoS) condition through a NULL pointer dereference.

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

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2025-52858

Affected Products

Qts

Quts Hero

References · 5

• https://qnap.com/en/security-advisory/qsa-25-36 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-52858 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-52858 · Security Note
• https://twitter.com/VulmonFeeds/status/1974231416649973880 · Twitter Post
• https://twitter.com/CVEnew/status/1974177824253661207 · Twitter Post