Qnap QTS and QuTS hero NULL Pointer Dereference (CVE-2025-52859)

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...

Qnap QTS and QuTS hero NULL Pointer Dereference (CVE-2025-52433)

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...

Qnap QTS and QuTS hero NULL Pointer Dereference (CVE-2025-52857)

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...

Qnap QTS and QuTS hero NULL Pointer Dereference (CVE-2025-52432)

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...

Qnap QTS and QuTS hero Improper Neutralization of Special Elements used in an OS Command (CVE-2025-47212)

A command injection 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 execute arbitrary commands. We have already fixed the vulnerability in the following versions: QTS...

CVE-2023-50359

An unchecked return value vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow local authenticated administrators to place the system in a state that could lead to a crash or other unintended behaviors via unspecified vector...

CVE-2023-45042

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:...

CVE-2018-19949

If exploited, this command injection vulnerability could allow remote attackers to run arbitrary commands. QNAP has already fixed the issue in the following QTS versions. QTS 4.4.2.1231 on build 20200302; QTS 4.4.1.1201 on build 20200130; QTS 4.3.6.1218 on build 20200214; QTS 4.3.4.1190 on build...

CVE-2018-19953

If exploited, this cross-site scripting vulnerability could allow remote attackers to inject malicious code. QNAP has already fixed the issue in the following QTS versions. QTS 4.4.2.1231 on build 20200302; QTS 4.4.1.1201 on build 20200130; QTS 4.3.6.1218 on build 20200214; QTS 4.3.4.1190 on buil...

CVE-2023-50361

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 users to execute code via a network. We have already fixed the vulnerability in the following versions: QTS...

CVE-2023-45028

An uncontrolled resource consumption vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated administrators to launch a denial-of-service DoS attack via a network. We have already fixed the vulnerability in the...

CVE-2018-19943

If exploited, this cross-site scripting vulnerability could allow remote attackers to inject malicious code. QNAP has already fixed these issues in the following QTS versions. QTS 4.4.2.1270 build 20200410 and later QTS 4.4.1.1261 build 20200330 and later QTS 4.3.6.1263 build 20200330 and later Q...

CVE-2019-7197

A stored cross-site scripting XSS vulnerability has been reported to affect multiple versions of QTS. If exploited, this vulnerability may allow an attacker to inject and execute scripts on the administrator console. To fix this vulnerability, QNAP recommend updating QTS to the latest version...

CVE-2022-27600

An uncontrolled resource consumption vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow remote attackers to launch a denial-of-service DoS attack. We have already fixed the vulnerability in the following versions: QTS...

CVE-2025-62852

A buffer overflow 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 modify memory or crash processes. We have already fixed the vulnerability in the following version: Q...

CVE-2025-52430

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-2025-54166

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-2025-52431

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-2025-53592

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-2025-53590

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...