CVE-2025-53414 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 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-2025-52872

CVE-2025-52872 is a buffer overflow vulnerability reported to affect QNAP OS versions, notably QTS and QuTS hero. The issue is described as a buffer copy/overflow that enables a remote attacker who has a user account to modify memory or crash processes. Affected products include QTS and QuTS hero...

CVE-2025-52864 QTS, QuTS hero

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-2025-52864 QTS, QuTS hero

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-2025-52864

CVE-2025-52864 describes a buffer overflow in QNAP OS families (QTS and QuTS hero) due to a buffer copy without checking size. The flaw allows a remote attacker who has a user account to modify memory or crash affected processes, potentially impacting system stability and availability. Affected v...

CVE-2025-52863

CVE-2025-52863 is a buffer overflow vulnerability reported to affect multiple QNAP OS versions. When a remote attacker obtains a user account, they can potentially modify memory or crash processes. Affected products and fixed versions are: QTS 5.2.7.3256 build 20250913 and later; QuTS hero h5.2.7...

CVE-2025-52431

The CVE-2025-52431 issue is a NULL pointer dereference affecting QNAP QTS and QuTS hero. A remote attacker who gains an administrator account can trigger a DoS condition. Affected versions are QTS 5.2.7.3256 build 20250913 and later; QuTS hero h5.2.7.3256 build 20250913 and later; QuTS hero h5.3....

CVE-2025-52431 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-2025-52431 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-2025-52430 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-2025-52430

CVE-2025-52430 is a NULL pointer dereference vulnerability affecting QNAP QTS and QuTS hero. The issue allows a remote attacker who has an administrator account to trigger a denial-of-service (DoS). Affected versions are older QTS and QuTS hero builds; fixes are available in QTS 5.2.7.3256 (build...

CVE-2025-52430 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-2025-52426

CVE-2025-52426 describes a NULL pointer dereference affecting multiple QNAP OS versions (QTS, QuTS hero). The vulnerability requires an attacker with administrator privileges to trigger a Denial-of-Service. Affected versions include QTS 5.2.7.3256 build 20250913 and later, QuTS hero h5.2.7.3256 b...

CVE-2025-52426 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-2025-52426 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-2025-47208

CVE-2025-47208 affects QNAP QTS and QuTS hero where an allocation of resources without limits or throttling can lead to a denial of service if a remote attacker obtains a user account. The issue is mitigated by fixes in QTS 5.2.6.3195 build 20250715 and later and QuTS hero h5.2.6.3195 build 20250...

CVE-2025-44013

CVE-2025-44013 affects QNAP QTS and QuTS hero prior to updates; the flaw is a NULL pointer dereference in multiple QNAP OS versions that enables a remote attacker with a user account to cause a denial-of-service (DoS). Fixed in QTS 5.2.6.3195 build 20250715 and later and QuTS hero h5.2.6.3195 bui...

CVE-2025-44013 QTS, QuTS hero

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...

PT-2026-1100

Name of the Vulnerable Software and Affected Versions QNAP versions prior to 5.2.8.3332 build 20251128 Description A buffer overflow issue exists in QNAP operating system. A remote attacker gaining administrator access can exploit this to modify memory or cause processes to crash. Recommendations...