CVE-2024-53691

QTS, QuTS hero

A link following vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow remote attackers who have gained user access to traverse the file system to unintended locations. We have already fixed the vulnerability in the following versions: QTS 5.1.8.2823 build 20240712 and later QTS 5.2.0.2802 build 20240620 and later QuTS hero h5.1.8.2823 build 20240712 and later QuTS hero h5.2.0.2802 build 20240620 and later

CVSS 4.0 · 8.7 High EPSS 23.0% KEV · Not listed

Vendors

Qnap

Products

Qts Quts Hero

CVE-2025-62848

QTS, QuTS hero

A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. The remote attackers can then exploit the vulnerability to launch a denial-of-service (DoS) attack. We have already fixed the vulnerability in the following versions: QTS 5.2.7.3297 build 20251024 and later QuTS hero h5.2.7.3297 build 20251024 and later QuTS hero h5.3.1.3292 build 20251024 and later

CVSS 4.0 · 8.1 High EPSS < 1% KEV · Not listed

Vendors

Qnap Qnap Systems Inc.

Products

Qts Quts Hero Qts and 1 more

CVE-2025-62849

QTS, QuTS hero

An SQL injection vulnerability has been reported to affect several QNAP operating system versions. The remote attackers can then exploit the vulnerability to execute unauthorized code or commands. We have already fixed the vulnerability in the following versions: QTS 5.2.7.3297 build 20251024 and later QuTS hero h5.2.7.3297 build 20251024 and later QuTS hero h5.3.1.3292 build 20251024 and later

CVSS 4.0 · 5.2 Medium EPSS < 1% KEV · Not listed

Vendors

Qnap Qnap Systems Inc.

Products

Qts Quts Hero Qts and 1 more

CVE-2025-62850

NULL Pointer Dereference in networkRequest.cgi

A NULL pointer dereference vulnerability has been reported to affect QTS, QVP, QuTS cloud and QuTS hero. 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 5.2.9.3410 build 20260214 and later QVP 2.7.4 and later QuTS cloud c5.2.9.3468 build 20260413 and later 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

CVSS 4.0 · 5.1 Medium EPSS < 1% KEV · Not listed

Vendors

Qnap Qnap Systems

Products

Quts Hero Quts Hero

CVE-2026-41539

QTS, QuTS hero

A cross-site scripting (XSS) vulnerability has been reported to affect several QNAP operating system versions. The remote attackers can then exploit the vulnerability to bypass security mechanisms or read application data. We have already fixed the vulnerability in the following versions: QTS 5.2.9.3492 build 20260507 and later QuTS hero h5.2.9.3499 build 20260514 and later QuTS hero h5.3.4.3500 build 20260520 and later QuTS hero h6.0.0.3500 build 20260520 and later

CVSS 4.0 · 6.3 Medium EPSS < 1% KEV · Not listed

Vendors

Qnap Qnap Systems Inc.

Products

Qts Quts Hero Qts and 1 more

CVE-2026-24717

QTS, QuTS hero

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 5.2.9.3492 build 20260507 and later QuTS hero h5.2.9.3499 build 20260514 and later QuTS hero h5.3.4.3500 build 20260520 and later QuTS hero h6.0.0.3459 build 20260409 and later

CVSS 4.0 · 1.2 Low EPSS < 1% KEV · Not listed

Vendors

Qnap Qnap Systems

Products

Qts Quts Hero Qts and 1 more

CVE-2026-24716

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 following versions: QTS 5.2.9.3492 build 20260507 and later QuTS hero h5.2.9.3499 build 20260514 and later QuTS hero h5.3.4.3500 build 20260520 and later QuTS hero h6.0.0.3459 build 20260409 and later

CVSS 4.0 · 1.2 Low EPSS < 1% KEV · Not listed

Vendors

Qnap Qnap Systems Inc.

Products

Qts Quts Hero Qts and 1 more

CVE-2026-24719

QTS, QuTS hero

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 5.2.9.3492 build 20260507 and later QuTS hero h5.2.9.3499 build 20260514 and later

CVSS 4.0 · 6.1 Medium EPSS < 1% KEV · Not listed

Vendors

Qnap Qnap Systems

Products

Qts Quts Hero Qts and 1 more

CVE-2026-22893

QTS, QuTS hero

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 5.2.9.3410 build 20260214 and later 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

CVSS 4.0 · 8.6 High EPSS 1.1% KEV · Not listed

Vendors

Qnap Qnap Systems Inc.

Products

Qts Quts Hero Qts and 1 more

CVE-2025-66281

QTS, QuTS hero

A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. The remote attackers can then exploit the vulnerability to launch a denial-of-service (DoS) attack. We have already fixed the vulnerability in the following versions: QTS 5.2.9.3410 build 20260214 and later QuTS hero h5.2.9.3410 build 20260214 and later QuTS hero h5.3.4.3500 build 20260520 and later QuTS hero h6.0.0.3397 build 20260206 and later

CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed

Vendors

Qnap Qnap Systems Inc.

Products

Qts Quts Hero Qts and 1 more

CVE-2025-66279

QTS, QuTS hero

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 5.2.9.3410 build 20260214 and later QuTS hero h5.2.9.3410 build 20260214 and later QuTS hero h5.3.4.3500 build 20260520 and later QuTS hero h6.0.0.3397 build 20260206 and later

CVSS 4.0 · 8.6 High EPSS 1.1% KEV · Not listed

Vendors

Qnap Qnap Systems Inc.

Products

Qts Quts Hero Qts and 1 more

CVE-2025-66273

QTS, QuTS hero

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 5.2.9.3410 build 20260214 and later QuTS hero h5.2.9.3410 build 20260214 and later QuTS hero h5.3.4.3500 build 20260520 and later QuTS hero h6.0.0.3397 build 20260206 and later

CVSS 4.0 · 8.6 High EPSS 1.1% KEV · Not listed

Vendors

Qnap Qnap Systems

Products

Qts Quts Hero Qts and 1 more

CVE-2025-66280

QTS, QuTS hero

An integer overflow or wraparound 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 compromise the security of the system. We have already fixed the vulnerability in the following versions: QTS 5.2.9.3410 build 20260214 and later QuTS hero h5.2.9.3410 build 20260214 and later QuTS hero h5.3.4.3500 build 20260520 and later QuTS hero h6.0.0.3397 build 20260206 and later

CVSS 4.0 · 5.1 Medium EPSS < 1% KEV · Not listed

Vendors

Qnap Qnap Systems

Products

Qts Quts Hero Qts and 1 more

CVE-2025-66276

QTS

QuTS hero is not affected. We have already fixed the vulnerability in the following version: QTS 5.2.7.3256 build 20250913 and later

CVSS 4.0 · 9.2 Critical EPSS < 1% KEV · Not listed

Vendors

Qnap Qnap Systems Qnap Systems Inc.

Products

Qts Qts Quts Hero and 1 more

CVE-2025-62858

QTS, QuTS hero

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 5.2.9.3410 build 20260214 and later QuTS hero h5.2.9.3410 build 20260214 and later QuTS hero h5.3.4.3500 build 20260520 and later QuTS hero h6.0.0.3397 build 20260206 and later

CVSS 4.0 · 5.1 Medium EPSS < 1% KEV · Not listed

Vendors

Qnap Qnap Systems

Products

Qts Quts Hero Qts and 1 more

CVE-2025-66274

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 following versions: QTS 5.2.9.3410 build 20260214 and later QuTS hero h5.2.9.3410 build 20260214 and later QuTS hero h5.3.2.3354 build 20251225 and later QuTS hero h6.0.0.3397 build 20260206 and later

CVSS 4.0 · 5.1 Medium EPSS < 1% KEV · Not listed

Vendors

Qnap Qnap Systems

Products

Quts Hero Quts Hero

CVE-2025-59381

QTS, QuTS hero

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

CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed

Vendors

Qnap

Products

Qts Quts Hero

CVE-2024-14026

QTS, QuTS hero

A command injection vulnerability has been reported to affect several QNAP operating system versions. If an attacker gains local network access who have also gained a user account, they can then exploit the vulnerability to execute arbitrary commands. We have already fixed the vulnerability in the following versions: QTS 5.1.9.2954 build 20241120 and later QTS 5.2.3.3006 build 20250108 and later QuTS hero h5.1.9.2954 build 20241120 and later QuTS hero h5.2.3.3006 build 20250108 and later

CVSS 4.0 · 2 Low EPSS < 1% KEV · Not listed

Vendors

Qnap Qnap Systems

Products

Qts Quts Hero Qts and 1 more

CVE-2025-62847

QTS, QuTS hero

An improper neutralization of argument delimiters in a command vulnerability has been reported to affect several QNAP operating system versions. The remote attackers can then exploit the vulnerability to alter execution logic. We have already fixed the vulnerability in the following versions: QTS 5.2.7.3297 build 20251024 and later QuTS hero h5.2.7.3297 build 20251024 and later QuTS hero h5.3.1.3292 build 20251024 and later

CVSS 4.0 · 6.6 Medium EPSS < 1% KEV · Not listed

Vendors

Qnap Qnap Systems Inc.

Products

Qts Quts Hero Qts and 1 more

CVE-2025-59386

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 following version: QuTS hero h5.3.2.3354 build 20251225 and later

CVSS 4.0 · 1.2 Low EPSS < 1% KEV · Not listed

Vendors

Qnap Qnap Systems

Products

Quts Hero Quts Hero