Multiple Vulnerabilities in Qsync Central

Summary

Multiple vulnerabilities have been reported to affect Qsync Central:

• CVE-2025-30261: Allocation of resources without limits or throttling vulnerability
  If a remote attacker gains access to a user account, they can then exploit the vulnerability to prevent other systems, applications, or processes from accessing the same type of resource.
• CVE-2025-30262, CVE-2025-30263: NULL pointer dereference vulnerabilities
  If a remote attacker gains access to a user account, they can then exploit the vulnerabilities to launch a denial-of-service (DoS) attack.

We have already fixed the vulnerabilities in the following version:

Recommendation

To fix the vulnerabilities, we recommend updating Qsync Central to the latest version.

Updating Qsync Central

1. Log on to QTS or QuTS hero as an administrator.
2. Open App Center and then click .
   A search box appears.
3. Type "Qsync Central" and then press ENTER.
   Qsync Central appears in the search results.
4. Click Update.
   A confirmation message appears.
   Note: The Update button is not available if your Qsync Central is already up to date.
5. Click OK.
   The system updates the application.