Multiple Vulnerabilities in QTS and QuTS hero

Summary

Multiple vulnerabilities have been reported to affect several QNAP operating system versions:

• CVE-2025-44013, CVE-2025-52426, CVE-2025-52430, CVE-2025-52431, CVE-2025-53405, CVE-2025-53414, CVE-2025-53589, CVE-2025-53590, CVE-2025-53592, CVE-2025-53596: NULL pointer dereference vulnrabilities
  If a remote attacker gains access to an administrator account, they can then exploit the vulnerabilities to launch a denial-of-service (DoS) attack.
• CVE-2025-52863, CVE-2025-52864, CVE-2025-52872, CVE-2025-53593: Buffer overflow vulnerabilities
  If a remote attacker gains access to a user account, they can then exploit the vulnerabilities to modify memory or crash processes.
• CVE-2025-53591: Externally-controlled format string vulnerability
  If a remote attacker gains access to an administrator account, they can then exploit the vulnerability to obtain secret data or modify memory.
• CVE-2025-54164, CVE-2025-54165, CVE-2025-54166: Out-of-bounds read vulnerabilities
  If a remote attacker gains access to an administrator account, they can then exploit the vulnerabilities to obtain secret data.
• CVE-2025-47208, CVE-2025-57705: Allocation of resources without limits or throttling vulnerabilities
  If a remote attacker gains access to an administrator account, they can then exploit the vulnerabilities to prevent other systems, applications, or processes from accessing the same type of resource.

We have already fixed the vulnerabilities in the following versions:

Recommendation

To secure your device, we recommend regularly updating your system to the latest version to benefit from vulnerability fixes. You can check the product support status to see the latest updates available to your NAS model.

Updating QTS or QuTS hero

1. Log in to QTS or QuTS hero as an administrator.
2. Go to Control Panel > System > Firmware Update.
3. Under Live Update, click Check for Update.
   The system downloads and installs the latest available update.

Tip: You can also download the update from the QNAP website. Go to Support > Download Center and then perform a manual update for your specific device.