This report was translated by AI; nobody has reviewed the translation yet. Original language: Czech.

[TLP:CLEAR] QNAP fixes 42 vulnerabilities

QNAP fixes 42 vulnerabilities in various products, the most severe of which are described below. The remaining ones can be found at [1] by clicking through the individual advisories. Products and their fixed versions: File Station 5 - 5.5.6.4907 [2][3] HybridDesk Station - 4.2.18 [4] Legacy VioStor NVR - QVR 5.1.6 build 20250621 [5] License Centre - 1.9.51, 1.8.51 [6] Photo Station - 6.4.5 (2025/01/02) [7] Qsync Central - 4.5.0.7 (2025/04/23) [8] QTS - 5.2.5.3145 build 20250526 [9][10] QuRouter - 2.5.1.060 [11] QuTS hero - h5.2.5.3138 build 20250519 [9][10]

Legacy VioStor NVR QVR - system security compromise (CVE-2025-52856)
CVSS 9.3 (Critical)

Due to an authentication flaw in the QVR firmware for Legacy VioStor NVR, an unauthenticated remote attacker can compromise the security of the system [12].

The vulnerability is present in product:

  • Legacy VioStor NVR QVR; >=5.1.0, <5.1.6 build 20250621;

CVSS: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

More information:

The vulnerability was publicly disclosed 29. 8. 2025.

Qsync Central - system security compromise (CVE-2025-30277, CVE-2025-30278)
CVSS 8.3 (High)

Due to insufficient certificate validation in Qsync Central, an authenticated remote attacker who has obtained a user account can compromise the security of the system [13].

The vulnerability is present in product:

  • Qsync Central; >=4.5.0, <4.5.0.7;

CVSS: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H

More information:

The vulnerability was publicly disclosed 29. 8. 2025.

QTS, QuTS hero - command injection (CVE-2025-30264)
CVSS 7.7 (High)

Due to unsanitized input in QTS and QuTS hero, an authenticated remote attacker who has obtained a user account can execute arbitrary commands [14].

The vulnerability is present in products:

  • QTS; >=5.2.0, <5.2.5.3145 build 20250526;
  • QuTS hero; >=h5.2.0, <h5.2.5.3138 build 20250519;

CVSS: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

More information:

  • CVE-2025-30264 at cve.org, NVD
  • CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection') at cwe.mitre.org

The vulnerability was publicly disclosed 29. 8. 2025.

Qsync Central - SQL injection (CVE-2025-29893, CVE-2025-29894)
CVSS 7.5 (High)

Due to an SQL injection vulnerability in Qsync Central, an authenticated remote attacker who has obtained a user account can execute commands or run code without authorization [13].

The vulnerability is present in product:

  • Qsync Central; >=4.5.0, <4.5.0.7;

CVSS: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

More information:

The vulnerability was publicly disclosed 29. 8. 2025.

By CESNET, z.s.p.o. Michaela Ručková on 2. 9. 2025.

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