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Legacy QNAP NAS Devices Vulnerable to Zero-Day Attack

April 1, 2021

Two critical zero-day bugs affect legacy QNAP Systems storage hardware, and expose devices to remote unauthenticated attackers.

The bugs, tracked as CVE-2020-25099 and CVE-2021-36195, impact QNAP’s model TS-231 network attached storage (NAS) hardware, allowing an attacker to manipulate stored data and hijack the device.