Applicable Models

• QTS 4.3.3 is the final available firmware version for the following NAS models: TS-112P, TAS-168, TAS-268. QNAP will keep releasing security updates for these models until the end of support. For details, see https://www.qnap.com/en/product/eol.php.

Important Notes

• For the status of QTS updates and maintenance for your NAS model, visit https://www.qnap.com/en/product/eol.php

Security Updates

• Fixed CVE-2021-44142 and other security issues.
• To enhance device security, UPnP port forwarding is now disabled by default. You can still manually enable this setting in myQNAPcloud if needed.