PT-2026-1081

Name of the Vulnerable Software and Affected Versions QNAP versions prior to 5.2.7.3256 build 20250913 Description A flaw exists where a remote attacker, having obtained administrator privileges, could trigger a denial-of-service DoS condition through a NULL pointer dereference. Recommendations...

CVE-2025-30272 QTS, QuTS hero

A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. If can then exploit the vulnerability to launch a denial-of-service DoS attack. We have already fixed the vulnerability in the following versions: QTS 5.2.5.3145 build 20250526 and later...

CVE-2025-30268

CVE-2025-30268 is a null pointer dereference affecting QNAP QTS and QuTS hero operating systems. The vulnerability allows a remote attacker with a user account to cause a denial-of-service (DoS). Affected versions include QTS 5.2.5.3145 build 20250526 and later, and QuTS hero h5.2.5.3138 build 20...

CVE-2024-37044

A buffer copy without checking size of input vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow remote attackers who have gained administrator access to execute code. We have already fixed the vulnerability in the followin...

CVE-2023-51365

A path traversal vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow users to read the contents of unexpected files and expose sensitive data via a network. We have already fixed the vulnerability in the following versions:...

CVE-2023-45035

A buffer copy without checking size of input vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated administrators to execute code via a network. We have already fixed the vulnerability in the following versions:...

Vulnerability fixed in QNAP firmware

QNAP has fixed a vulnerability in the firmware of several NAS and virtualization systems running QTS, QuTS Hero, QuTScloud and QVR. A malicious party could exploit the vulnerability to cause a denial-of-service. QNAP has released updates to fix the vulnerability in the firmware for QTS, QuTS Hero...

QNAP Fixes Critical Vulnerability in NAS Devices with Latest Security Updates

Taiwanese company QNAP has released updates to remediate a critical security flaw affecting its network-attached storage NAS devices that could lead to arbitrary code injection. Tracked as CVE-2022-27596, the vulnerability is rated 9.8 out of a maximum of 10 on the CVSS scoring scale. It affects...

CVE-2018-19945

A vulnerability has been reported to affect earlier QNAP devices running QTS 4.3.4 to 4.3.6. Caused by improper limitations of a pathname to a restricted directory, this vulnerability allows for renaming arbitrary files on the target system, if exploited. QNAP have already fixed this vulnerabilit...

CVE-2019-7193

This improper input validation vulnerability allows remote attackers to inject arbitrary code to the system. To fix the vulnerability, QNAP recommend updating QTS to their latest versions...

CVE-2018-0718

Command injection vulnerability in Music Station 5.1.2 and earlier versions in QNAP QTS 4.3.3 and 4.3.4 could allow remote attackers to run arbitrary commands in the compromised application...

CVE-2017-7630

QNAP QTS 4.2.6 build 20171026, QTS 4.3.3 build 20170727 and earlier allows remote attackers to obtain potentially sensitive information firmware version and running services via a request to sysinfoReq.cgi...

CVE-2017-17033

A buffer overflow vulnerability in password function in QNAP QTS version 4.2.6 build 20171026, 4.3.3.0378 build 20171117, 4.3.4.0387 Beta 2 build 20171116 and earlier could allow remote attackers to execute arbitrary code on NAS devices...