CVE-2025-33040: QNAP Qsync Central: Qsync: allocation of resources without limits or throttling vulnerability
This QNAP advisory covers CVE-2025-33040. Related products: Qsync.
- CVE-2025-33040
Key facts
- Vendor rating
- Medium, CVSS 6.5
- CISA KEV
- Not listed (catalogue checked )
- Source published
- Source revised
- Listed by VulniPulse
- Record changed
Compiled by VulniPulse from the linked sources. How records are collected and checked.
Related products & platforms
Description
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
Text from the source record.
More QNAP advisories
CVE-2025-44012Oct 3, 2025Qsync Central: Qsync: allocation of resources without limits or throttling vulnerabilityCVE-2025-33034Oct 3, 2025Qsync Central: Qsync: path traversal vulnerabilityCVE-2025-30263Aug 29, 2025Qsync Central: Qsync: NULL pointer dereference vulnerabilityCVE-2025-22482Jun 6, 2025Qsync Central: Qsync: use of externally-controlled format string vulnerabilityCVE-2025-62841Oct 29, 2026HBS 3 Hybrid Backup Sync and Hybrid Backup Sync: Hybrid Backup Sync: use of hard-codedCVE-2025-62839Oct 29, 2026HBS 3 Hybrid Backup Sync and Hybrid Backup Sync: Hybrid Backup Sync: use of hard-coded
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