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QNAP Releases Firmware Updates to Address Critical Flaw Affecting QTS and QuTS hero

QNAP has made firmware updates available for a flaw in QTS and QuTS hero that could be exploited to inject malicious code. The vulnerability affects QNAP network attached storage (NAS) devices running QTS 5.0.1 and QuTS hero 5.0.1.


  • Just as a quick reminder: Do not expose your network storage to the internet. No matter the brand. If you absolutely must: Maybe a well locked down ssh server. For everything else you got a VPN.
  • This is essentially a SQL Injection flaw. Use the QNAP product support status site to see what the latest update for your device is, if your device is EOL or legacy, it’s time to replace it and decommission (not repurpose) the old one. While you’re at it, make sure that only intended user accounts and applications are present. Last, but not least, make sure it’s not directly exposed to the Internet.


Alex Lim is a certified IT Technical Support Architect with over 15 years of experience in designing, implementing, and troubleshooting complex IT systems and networks. He has worked for leading IT companies, such as Microsoft, IBM, and Cisco, providing technical support and solutions to clients across various industries and sectors. Alex has a bachelor’s degree in computer science from the National University of Singapore and a master’s degree in information security from the Massachusetts Institute of Technology. He is also the author of several best-selling books on IT technical support, such as The IT Technical Support Handbook and Troubleshooting IT Systems and Networks. Alex lives in Bandar, Johore, Malaysia with his wife and two chilrdren. You can reach him at [email protected] or follow him on Website | Twitter | Facebook

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