CVE-2025-52863

A buffer overflow vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains a user account, they can then exploit the vulnerability to modify memory or crash processes. We have already fixed the vulnerability in the following versions: QTS...

CVE-2025-47208

An allocation of resources without limits or throttling vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains a user account, they can then exploit the vulnerability to prevent other systems, applications, or processes from accessing the same...

CVE-2025-44013

A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains a user account, they can then exploit the vulnerability to launch a denial-of-service DoS attack. We have already fixed the vulnerability in the following...

CVE-2025-57705 QTS, QuTS hero

An allocation of resources without limits or throttling vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to prevent other systems, applications, or processes from accessin...

CVE-2025-57705 QTS, QuTS hero

An allocation of resources without limits or throttling vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to prevent other systems, applications, or processes from accessin...

CVE-2025-54166 QTS, QuTS hero

An out-of-bounds read vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to obtain secret data. We have already fixed the vulnerability in the following versions: QTS...

CVE-2025-54166 QTS, QuTS hero

An out-of-bounds read vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to obtain secret data. We have already fixed the vulnerability in the following versions: QTS...

CVE-2025-54166

CVE-2025-54166 is an out-of-bounds read vulnerability affecting QNAP NAS operating systems (QTS and QuTS hero). The issue could let a remote attacker who has an administrator account obtain secret data. Multiple connected assessments corroborate that fixed versions are available: QTS 5.2.7.3256 b...

CVE-2025-54164 QTS, QuTS hero

An out-of-bounds read vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to obtain secret data. We have already fixed the vulnerability in the following versions: QTS...

CVE-2025-54164 QTS, QuTS hero

An out-of-bounds read vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to obtain secret data. We have already fixed the vulnerability in the following versions: QTS...

CVE-2025-53596 QTS, QuTS hero

A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to launch a denial-of-service DoS attack. We have already fixed the vulnerability in the...

CVE-2025-53596

CVE-2025-53596 affects QNAP’s QTS and QuTS hero operating systems. A NULL pointer dereference vulnerability could allow a remote attacker with administrator privileges to cause a denial-of-service (DoS), impacting system availability over the network. The issue has been fixed in QTS 5.2.7.3256 bu...

CVE-2025-53592

CVE-2025-53592 is a NULL pointer dereference affecting several QNAP operating system versions. The issue allows a remote attacker who has authenticated a user account to trigger a denial-of-service (DoS). Fixed versions include: QTS 5.2.7.3256 build 20250913 and later, QuTS hero h5.2.7.3256 build...

CVE-2025-53591

CVE-2025-53591 affects QNAP QTS and QuTS hero due to a use of externally-controlled format string vulnerability. The issue could allow a remote attacker with an administrator account to obtain secret data or modify memory. Fixes are available in QTS 5.2.7.3256 build 20250913 and later, QuTS hero ...

CVE-2025-53591 QTS, QuTS hero

A use of externally-controlled format string vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to obtain secret data or modify memory. We have already fixed the vulnerabili...

CVE-2025-53591 QTS, QuTS hero

A use of externally-controlled format string vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to obtain secret data or modify memory. We have already fixed the vulnerabili...

CVE-2025-53589

CVE-2025-53589 is a NULL pointer dereference affecting multiple QNAP OS versions, allowing a remote admin to trigger a DoS. Affected fixes are explicitly documented: QTS 5.2.7.3256 build 20250913 and later; QuTS hero h5.2.7.3256 build 20250913 and later; QuTS hero h5.3.1.3250 build 20250912 and l...

CVE-2025-53589 QTS, QuTS hero

A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to launch a denial-of-service DoS attack. We have already fixed the vulnerability in the...

CVE-2025-53405

CVE-2025-53405 affects QNAP QTS and QuTS hero operating systems. The issue is a NULL pointer dereference that can be exploited by a remote attacker who gains an administrator account to induce a denial-of-service. Public references across multiple feeds confirm the affected products and the fixed...

CVE-2025-53405 QTS, QuTS hero

A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to launch a denial-of-service DoS attack. We have already fixed the vulnerability in the...