CVE-2025-57711 Qsync Central
A remote administrator can exploit a resource allocation flaw in Qsync Central to cause denial of service by exhausting resources.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-57711?
CVE-2025-57711 is a low-severity denial of service vulnerability in Qnap Qsync Central, published on 11 Feb 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
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 5.0.0.4 ( 2026/01/20 ) and later
Weakness: CWE-770
Which versions are affected by CVE-2025-57711?
It affects 1 product.
Products include Qnap Qsync Central.
How do I fix CVE-2025-57711?
No fix has been published for CVE-2025-57711 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-57711 being exploited?
There is no known exploitation of CVE-2025-57711 in the wild and no public exploit code.
Other vulnerabilities in Qnap Qsync Central
Sources
Also known as GHSA-g4hh-hm34-58p5.