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QNAP QuTS hero Vulnerabilities & Security Advisories

145 advisories tracked · QNAP PSIRT ([email protected] CNA) via NVD · 0 listed in the CISA Known Exploited Vulnerabilities catalog

Every row below is a published QNAP advisory that VulniPulse classified as QuTS hero, with the CVEs, affected and fixed releases and exploitation status the vendor stated. Severity mix: 10 critical, 43 high, 83 medium, 10 low.

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Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 34 official vendor sources and 160+ reviewed platform categories.

Source

QNAP PSIRT ([email protected] CNA) via NVD

QNAP is its own CVE Numbering Authority. VulniPulse ingests QNAP's CVEs from the NVD CNA feed ([email protected]), grouped by their official QSA advisory, and enriches each from the security-advisory page — the vendor's severity, affected apps/OS and the fixed build. Covers QTS, QuTS hero and QuTScloud (NAS operating systems), plus QVR, Qsync, HBS 3, Netatalk, Malware Remover, License Center and Photo/Video/Music Station — QNAP NAS are a relentless ransomware target (DeadBolt, Qlocker), so an alert-hungry community.

Latest QNAP QuTS hero advisories

Medium4.8QNAP Updated

Medium [CVE-2024-38639] QTS: improper authentication vulnerability has been reported to affect product.

An improper authentication vulnerability has been reported to affect product. The remote attackers can then exploit the vulnerability to compromise the security of the system. QTS is not affected. We have already fixed the vulnerability in the following version: Affected products named by the advisory: QTS 5.1.x; QuTS hero h5.1.x.

CVE-2024-38639
QTSQuTS hero
Sep 18, 2026
Medium5.2QNAP Updated

Medium [CVE-2024-27123] cross-site scripting (XSS) vulnerability has been reported to affect QcalAgent.

A cross-site scripting (XSS) vulnerability has been reported to affect QcalAgent. The local attackers can then exploit the vulnerability to bypass security mechanisms or read application data. We have already fixed the vulnerability in the following version: QcalAgent 1.1.9 and later Affected products named by the advisory: QTS 5.2.x; QuTS hero h5.2.x.

CVE-2024-27123
QTSQuTS hero
Sep 18, 2026
Medium5.1QNAP

Medium [CVE-2025-62850] QuTS hero: NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions.

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 following versions: QuTS hero h5.2.9.3410 build 20260214 and later QuTS hero h5.3.4.3500 build 20260520 and later QuTS hero h6.0.0.3459 build 20260409 and later Affected products named by the advisory: QTS.

CVE-2025-62850
QTSQuTS hero
Jun 10, 2026
Medium6.5QNAP

Medium [CVE-2025-62852] QTS: buffer overflow vulnerability has been reported to affect several QNAP operating system versions.

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: QTS 5.2.8.3332 build 20251128 and later Affected products named by the advisory: QTS 5.2.x; QuTS hero h5.2.x; QuTS hero h5.3.x.

CVE-2025-62852
QTSQuTS hero
Jan 3, 2026
Medium4.9QNAP

Medium [CVE-2025-59381] QTS: path traversal vulnerability has been reported to affect several QNAP operating system versions.

A path traversal 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 read the contents of unexpected files or system data. We have already fixed the vulnerability in the following versions: QTS 5.2.8.3332 build 20251128 and later QuTS hero h5.2.8.3321 build 20251117 and later QuTS hero h5.3.2.3354 build 20251225 and later Affected products named by the advisory: QTS 5.2.x; QuTS hero h5.2.x; QuTS hero h5.3.x.

CVE-2025-59381
QTSQuTS hero
Jan 3, 2026
Medium4.9QNAP

Medium [CVE-2025-59380] QTS: path traversal vulnerability has been reported to affect several QNAP operating system versions.

A path traversal 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 read the contents of unexpected files or system data. We have already fixed the vulnerability in the following versions: QTS 5.2.8.3332 build 20251128 and later QuTS hero h5.2.8.3321 build 20251117 and later Affected products named by the advisory: QTS 5.2.x; QuTS hero h5.2.x; QuTS hero h5.3.x.

CVE-2025-59380
QTSQuTS hero
Jan 3, 2026
Medium4.9QNAP

Medium [CVE-2025-57705] QTS: allocation of resources without limits or throttling vulnerability has been reported to affect several QNAP operating system…

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 accessing the same type of resource. We have already fixed the vulnerability in the following versions: QTS 5.2.7.3256 build 20250913 and later QuTS hero h5.3.1.3250 build 20250912 and later Affected products named by the advisory: QTS 5.2.x; QuTS hero h5.2.x; QuTS hero h5.3.x.

CVE-2025-57705
QTSQuTS hero
Jan 3, 2026
Medium4.9QNAP

Medium [CVE-2025-54166] QTS: out-of-bounds read vulnerability has been reported to affect several QNAP operating system versions.

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 5.2.7.3256 build 20250913 and later QuTS hero h5.3.1.3250 build 20250912 and later Affected products named by the advisory: QTS 5.2.x; QuTS hero h5.2.x; QuTS hero h5.3.x.

CVE-2025-54166
QTSQuTS hero
Jan 3, 2026
Medium4.9QNAP

Medium [CVE-2025-53596] QTS: NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions.

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 following versions: QTS 5.2.7.3256 build 20250913 and later QuTS hero h5.3.1.3250 build 20250912 and later Affected products named by the advisory: QTS 5.2.x; QuTS hero h5.2.x; QuTS hero h5.3.x.

CVE-2025-53596
QTSQuTS hero
Jan 3, 2026
Medium6.5QNAP

Medium [CVE-2025-53593] QTS: buffer overflow vulnerability has been reported to affect several QNAP operating system versions.

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 versions: QTS 5.2.7.3256 build 20250913 and later QuTS hero h5.3.1.3250 build 20250912 and later Affected products named by the advisory: QTS 5.2.x; QuTS hero h5.2.x; QuTS hero h5.3.x.

CVE-2025-53593
QTSQuTS hero
Jan 3, 2026
Medium6.5QNAP

Medium [CVE-2025-53592] QTS: NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions.

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 versions: QTS 5.2.7.3256 build 20250913 and later QuTS hero h5.3.1.3250 build 20250912 and later Affected products named by the advisory: QTS 5.2.x; QuTS hero h5.2.x; QuTS hero h5.3.x.

CVE-2025-53592
QTSQuTS hero
Jan 3, 2026
Medium6.5QNAP

Medium [CVE-2025-53591] QTS: use of externally-controlled format string vulnerability has been reported to affect several QNAP operating system versions

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 vulnerability in the following versions: QTS 5.2.7.3256 build 20250913 and later QuTS hero h5.3.1.3250 build 20250912 and later Affected products named by the advisory: QTS 5.2.x; QuTS hero h5.2.x; QuTS hero h5.3.x.

CVE-2025-53591
QTSQuTS hero
Jan 3, 2026
Medium4.9QNAP

Medium [CVE-2025-53590] QTS: NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions.

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 following version: QTS 5.2.7.3256 build 20250913 and later Affected products named by the advisory: QTS 5.2.x; QuTS hero h5.2.x; QuTS hero h5.3.x.

CVE-2025-53590
QTSQuTS hero
Jan 3, 2026
Medium6.5QNAP

Medium [CVE-2025-47208] QTS: allocation of resources without limits or throttling vulnerability has been reported to affect several QNAP operating system…

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 type of resource. We have already fixed the vulnerability in the following versions: QTS 5.2.6.3195 build 20250715 and later Affected products named by the advisory: QTS 5.2.x; QuTS hero h5.2.x; QuTS hero h5.3.x.

CVE-2025-47208
QTSQuTS hero
Jan 3, 2026
Medium6.5QNAP

Medium [CVE-2025-44013] QTS: NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions.

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 versions: QTS 5.2.6.3195 build 20250715 and later Affected products named by the advisory: QTS 5.2.x; QuTS hero h5.2.x; QuTS hero h5.3.x.

CVE-2025-44013
QTSQuTS hero
Jan 3, 2026
Medium5.4QNAP

Medium [CVE-2025-58465] cross-site scripting (XSS) vulnerability has been reported to affect Download Station.

A cross-site scripting (XSS) vulnerability has been reported to affect Download Station. If a remote attacker gains a user account, they can then exploit the vulnerability to bypass security mechanisms or read application data. We have already fixed the vulnerability in the following versions: Download Station 5.10.0.305 ( 2025/09/16 ) and later Affected products named by the advisory: Download Station 5.10.x (for QTS 5.2.1); Download Station 5.10.x (for QuTS hero h5.2.1).

CVE-2025-58465
QTSQuTS hero
Nov 8, 2025
Medium4.9QNAP

Medium [CVE-2025-58463] relative path traversal vulnerability has been reported to affect Download Station.

A relative path traversal vulnerability has been reported to affect Download Station. If a remote attacker gains an administrator account, they can then exploit the vulnerability to read the contents of unexpected files or system data. We have already fixed the vulnerability in the following versions: Download Station 5.10.0.305 ( 2025/09/16 ) and later Affected products named by the advisory: Download Station 5.10.x (for QTS 5.2.1); Download Station 5.10.x (for QuTS hero h5.2.1).

CVE-2025-58463
QTSQuTS hero
Nov 8, 2025
Medium6.5QNAP

Medium [CVE-2025-53407] QTS: use of externally-controlled format string vulnerability has been reported to affect several QNAP operating system versions

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 vulnerability in the following versions: QTS 5.2.6.3195 build 20250715 and later Affected products named by the advisory: QTS 5.2.x; QuTS hero h5.2.x.

CVE-2025-53407
QTSQuTS hero
Oct 4, 2025
Medium4.9QNAP

Medium [CVE-2025-52866] QTS: NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions.

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 following versions: QTS 5.2.6.3195 build 20250715 and later Affected products named by the advisory: QTS 5.2.x; QuTS hero h5.2.x.

CVE-2025-52866
QTSQuTS hero
Oct 4, 2025
Medium4.9QNAP

Medium [CVE-2025-52432] QTS: NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions.

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 following versions: QTS 5.2.6.3195 build 20250715 and later QuTS hero h5.3.0.3192 build 20250716 and later Affected products named by the advisory: QTS 5.2.x; QuTS hero h5.2.x.

CVE-2025-52432
QTSQuTS hero
Oct 4, 2025

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