PT-2026-7540 · Qnap Systems+1 · Qsync Central

Published 2026-02-11 · Updated 2026-02-13 · CVE-2025-52868

Positive Technologies (AI Summary)

CVSS v3.1

8.1

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Qsync Central versions prior to 5.0.0.4

Description A buffer overflow allows a remote attacker with a user account to modify memory or crash processes. A buffer overflow occurs when a program writes more data to a memory buffer than it can hold, potentially overwriting adjacent memory locations.

Recommendations Update to version 5.0.0.4 or later.

Fix

Buffer Overflow

Heap Based Buffer Overflow

Weakness Enumeration

CWE-120

CWE-122

Related Identifiers

CVE-2025-52868

Affected Products

Qsync Central

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2025-52868 · Security Note
• https://osv.dev/vulnerability/CVE-2025-52868 · Vendor Advisory
• https://qnap.com/en/security-advisory/qsa-26-02 · Vendor Advisory
• https://twitter.com/CCBalert/status/2022236318646825039 · Twitter Post