Resource exhaustion in Qnap Qsync Central
CVE-2025-58471
An allocation of resources without limits or throttling vulnerability has been reported to affect Qsync Central. If a remote attacker gains an administrator account, they can then exploit the vulnerability to prevent other systems, applications, or processes from accessing the same type of resource. We have already fixed the vulnerability in the following version: Qsync Central 5.2.0.1 ( 2025/12/21 ) and later
EPSS: 0.005 (38.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Qnap Qsync_central
- Qnap Systems Inc. Qsync Central — versions 5.2.x.x
Weakness classification (CWE)
References
- security@qnapsecurity.com.tw (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-58471?
- CVE-2025-58471 is a medium-severity vulnerability in Qnap Qsync Central, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 4.9/10. Published 2026-02-11.
- How severe is CVE-2025-58471?
- Medium severity. CVSS v3 base score is 4.9 out of 10.