What is CVE-2025-57711?

CVE-2025-57711 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-2025-57711?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Resource exhaustion in Qnap Qsync_central

CVE-2025-57711

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, applica…

EPSS: 0.005 (37.1th 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 5.0.x.x

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

security@qnapsecurity.com.tw (Vendor Advisory)

Frequently asked questions

What is CVE-2025-57711?: CVE-2025-57711 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-2025-57711?: Medium severity. CVSS v3 base score is 4.9 out of 10.