PT-2026-7531 · Qnap · Qsync Central

Coral · CVE-2025-30266 · Published 2026-02-11 · Updated 2026-02-11

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 Qsync Central versions prior to 5.0.0.4

Description A flaw exists in Qsync Central that, if exploited by a remote attacker with a user account, could lead to a denial-of-service (DoS) attack. The issue is a NULL pointer dereference.

Recommendations Update to Qsync Central version 5.0.0.4 or later.

Fix

DoS

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2025-30266

Affected Products

Qsync Central

References · 4

• https://osv.dev/vulnerability/CVE-2025-30266 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-30266 · Security Note
• https://qnap.com/en/security-advisory/qsa-26-02 · Vendor Advisory
• https://t.me/cveNotify/151685 · Telegram Post