PT-2026-7559 · Qnap · Qsync Central

Coral · Published 2026-02-11 · Updated 2026-02-12 · CVE-2025-57709

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 issue exists in Qsync Central. A remote attacker who has obtained a user account can potentially exploit this issue to modify memory or cause processes to crash.

Recommendations Update to Qsync Central version 5.0.0.4 or later.

Fix

Memory Corruption

Heap Based Buffer Overflow

Weakness Enumeration

CWE-787

CWE-122

Related Identifiers

CVE-2025-57709

Affected Products

Qsync Central

References · 4

• https://qnap.com/en/security-advisory/qsa-26-02 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-57709 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-57709 · Security Note
• https://t.me/cveNotify/151837 · Telegram Post