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

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

Mitre

CVSS v4.0

0.6

Low

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

A buffer overflow vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account, they can then exploit the vulnerability to modify memory or crash processes.

We have already fixed the vulnerability in the following version: Qsync Central 5.0.0.4 ( 2026/01/20 ) and 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://osv.dev/vulnerability/CVE-2025-52868 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-52868 · Security Note
• https://qnap.com/en/security-advisory/qsa-26-02 · Vendor Advisory
• https://twitter.com/CCBalert/status/2022236318646825039 · Twitter Post