PT-2026-7537 · Qnap · Qsync Central

Coral · Published 2026-02-11 · Updated 2026-02-16 · CVE-2025-48723

Positive Technologies · (AI Summary)

CVSS v3.1

8.1

High

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 obtains a user account can potentially exploit this to alter memory or cause processes to crash.

Recommendations Update to Qsync Central version 5.0.0.4 or later.

Fix

Buffer Overflow

Heap Based Buffer Overflow

Weakness Enumeration

CWE-120

CWE-122

Related Identifiers

CVE-2025-48723

Affected Products

Qsync Central

References · 5

• https://osv.dev/vulnerability/CVE-2025-48723 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-48723 · Security Note
• https://qnap.com/en/security-advisory/qsa-26-02 · Vendor Advisory
• https://twitter.com/CCBalert/status/2022236318646825039 · Twitter Post
• https://twitter.com/cracbot/status/2023351741337805011 · Twitter Post