Resource exhaustion in QNAP Qsync Central
CVE-2025-44006
An allocation of resources without limits or throttling vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user 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 5.0.0.1 ( 2025/07/09 ) and later
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (28.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 28.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- QNAP Qsync Central
- QNAP Systems Inc. Qsync Central — versions 4.x
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.qnap.com/en/security-advisory/qsa-25-34 (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-44006?
- CVE-2025-44006 is a medium-severity vulnerability in QNAP Qsync Central, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2025-10-03.
- How severe is CVE-2025-44006?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2025-44006 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.