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Home > Cybersecurity > QNAP NAS devices are vulnerable once more

QNAP NAS devices are vulnerable once more

QNAP has warned its customers to update their devices immediately due to Deadbolt ransomware attacks.

Rusen Gobel by Rusen Gobel
May 24, 2022
in Cybersecurity
1 min read
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QNAP NAS devices are vulnerable once more
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The NAS devices around are often being found vulnerable; then a call comes from companies for patching them immediately. Once again, a new vulnerability was found in NAS devices; this time from QNAP requiring immediate action against ransomware attacks.

TS-x51 and TS-x53 series are vulnerable

The QNAP NAS devices that run QTS 4.3.6 and QTS 4.1.1 software are vulnerable. That includes the TS-x51 and TS-x53 series from QNAP’s product catalog. As those products are attacked, users will be welcomed with a warning in the login interface that demands ransomware in Bitcoin. In that case, all the files in the NAS device are encrypted in the AES128 algorithm and have changed to the .deadbolt extension.

Security researcher Michael Gillespie has published free a decrypting tool for Deadbolt ransomware. However, it currently only runs on Windows devices; the software can’t decrypt the NAS devices. Currently, QNAP urges its customers to patch their products immediately.

Security researchers also recommend users block port forwarding on home routers as well as disable UPnP in the NAS control panels to prevent exposing them to the internet. In addition, toggling off SSH and Telnet connections will be useful.

See more Cyber Security News


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Rusen Gobel

Rusen Gobel

Rusen Gobel is a news editor at Cloud7 News. With more than 10 years of experience, Rusen worked as a hardware and software news editor for technology sites such as Shiftdelete, Teknokolis, Hardware Plus, BT Haber. In addition, Rusen publishes consumer product reviews on his YouTube channel. While consumer electronics has been his main focus for years, now Rusen is more interested in WordPress and software development. He had contributed different web application projects in his professional career. Rusen had graduated from Istanbul University, department of Computer Engineering. Rusen has a very high passion for learning and writing for every kind of technology. That's why he has been working as a tech editor for more than ten years on several different technology magazines and online news portals.

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