“A vulnerability has been reported to affect QNAP VS Series NVR running QVR,” QNAP said in an advisory. “If exploited, this vulnerability allows remote attackers to run arbitrary commands.” As a result of this vulnerability, QNAP released firmware patches.

Tracked as CVE-2022-27588 (CVSS score: 9.8), the vulnerability has been addressed in QVR 5.1.6 build 20220401 and later. Credited with reporting the flaw is the Japan Computer Emergency Response Team Coordination Center (JPCERT/CC).

Customers are encouraged to update their devices as soon as possible. In the event you need assistance updating your devices, don’t hesitate to contact us after reading about our Cybersecurity services.

Aside from the critical shortcoming, QNAP has also resolved three high-severity and five medium-severity bugs in its software. Relevant CVE ID’s for the high and medium severities being addressed can be found below:

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• CVE-2021-38693 (CVSS score: 5.3) – A path traversal vulnerability in thttpd affecting QNAP devices running QTS, QuTS hero, QuTScloud, and QVR Pro Appliance, leading to information disclosure
• CVE-2021-44051 (CVSS score: 8.8) – A command injection vulnerability in QNAP devices running QTS, QuTS hero, and QuTScloud, resulting in arbitrary command execution
• CVE-2021-44052 (CVSS score: 6.5) – An improper link resolution before file access (“link following”) vulnerability in QNAP devices running QTS, QuTS hero, and QuTScloud, allowing attackers to read/write files in arbitrary file locations
• CVE-2021-44053 (CVSS score: 5.7) – A cross-site scripting (XSS) vulnerability in QNAP devices running QTS, QuTS hero, and QuTScloud, leading to code injection
• CVE-2021-44054 (CVSS score: 4.3) – An open redirect vulnerability in QNAP devices running QTS, QuTS hero, and QuTScloud, making it possible to redirect users to a rogue web pages
• CVE-2021-44055 (CVSS score: 5.3) – A missing authorization vulnerability in QNAP devices running Video Station, allowing attackers to access data or perform unauthorized actions
• CVE-2021-44056 (CVSS score: 7.1) – An improper authentication vulnerability in QNAP devices running Video Station, leading to system compromise
• CVE-2021-44057 (CVSS score: 7.1) – An improper authentication vulnerability in QNAP devices running Photo Station, leading to system compromise

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