Multiple Vulnerabilities in QuTS hero

Summary

Multiple vulnerabilities have been reported to affect QuTS hero:

• CVE-2025-48725: Buffer overflow vulnerability
  If a remote attacker gains access to a user account, they can then exploit the vulnerability to modify memory or crash processes.
• CVE-2025-66274, CVE-2025-59386: NULL pointer dereference vulnerability
  If a remote attacker gains access to an administrator account, they can then exploit the vulnerability to launch a denial-of-service (DoS) attack.

We have already fixed the vulnerabilities in the following version:

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 QuTS hero

1. Log in to 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.