Findings

CVE-2025-52430

A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions.

Published Jan 2, 2026 · updated Oct 14, 2026 · qnap 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 5.2.7.3256 build 20250913 and later QuTS hero h5.2.7.3256 build 20250913 and later QuTS hero h5.3.1.3250 build 20250912 and later

Timeline

Detection, updates, and resolution for this record.

  1. Jan 2, 2026 · NIST NVD

    Detected

    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 h5.2.7.3256 build 20250913 and later

  2. Oct 14, 2026 · NIST NVD

    Updated

    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 h5.2.7.3256 build 20250913 and later

Affected

  • cpe qnap/qts5.2.0.2737
  • cpe qnap/quts heroh5.2.0.2737
  • cpe qnap/quts heroh5.2.0.2782
  • cpe qnap/quts heroh5.2.0.2789
  • cpe qnap/quts heroh5.2.0.2802
  • cpe qnap/quts heroh5.2.0.2823
  • cpe qnap/quts heroh5.2.0.2851
  • cpe qnap/quts heroh5.2.0.2860
  • cpe qnap/quts heroh5.2.1.2929

Sources

  • CVE.orgCVE-2025-52430

    Official CVE identifier

    cve.org
  • FIRST EPSSCVE-2025-52430

    30-day exploitation probability 0.4%

    first.org
  • NIST NVDCVE-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 vulnera

    nvd.nist.gov

References