Multiple Vulnerabilities in QTS and QuTS hero

Summary

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

• CVE-2025-47211: Path traversal vulnerability
  If a remote attacker gains access to an administrator account, they can then exploit the vulnerability to read the contents of unexpected files or system data.
• CVE-2025-47212: Command injection vulnerability
  If a remote attacker gains access to an administrator account, they can then exploit the vulnerability to execute arbitrary commands.
• CVE-2025-47213, CVE-2025-47214, CVE-2025-48726, CVE-2025-48727, CVE-2025-48728, CVE-2025-48729, CVE-2025-52424, CVE-2025-52427, CVE-2025-52428, CVE-2025-52432, CVE-2025-52433, CVE-2025-52853, CVE-2025-52854, CVE-2025-52855, CVE-2025-52857, CVE-2025-52858, CVE-2025-52859, CVE-2025-52860, CVE-2025-52862, CVE-2025-52866: NULL pointer dereference vulnerabilities
  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-2025-48730, CVE-2025-52429, CVE-2025-53406, CVE-2025-53407: Use of externally-controlled format string vulnerabilities
  If a remote attacker gains access to an administrator account, they can then exploit the vulnerabilities to obtain secret data or modify memory.

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.