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Vulnerabilities

Vulnerability · CVE-2025-48729

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

Published Oct 3, 2025 · catalog updated Oct 6, 2025 · QNAP Systems Inc. QuTS hero

Check if you run it

No confirmed exploitation is on record for CVE-2025-48729. EPSS is 0.47%. Act only if a listed version of QNAP Systems Inc. QuTS hero is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.47%
Remediation
Version ranges on file
Affected products
vendor QNAP Systems Inc. QuTS hero h5.2.x <h5.2.6.3195 build 20250715

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 h5.2.6.3195 build 20250715 and later

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor QNAP Systems Inc. QuTS hero h5.2.x <h5.2.6.3195 build 20250715h5.2.x <h5.2.6.3195 build 20250715

How to fix CVE-2025-48729

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-48729. EPSS is 0.47%. Act only if a listed version of QNAP Systems Inc. QuTS hero is installed.

Which versions are affected?

Compare what you have installed with QNAP Systems Inc. QuTS hero h5.2.x <h5.2.6.3195 build 20250715 h5.2.x <h5.2.6.3195 build 20250715. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.47%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 3, 2025 · EUVD

    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 5.2.6.3195 build 20250715 and later QuTS hero h5.2.6.3195 build 20250715 and later

  2. Oct 6, 2025 · EUVD

    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 5.2.6.3195 build 20250715 and later QuTS hero h5.2.6.3195 build 20250715 and later

Sources

  • CVE.orgVulnerability recordCVE-2025-48729

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-48729

    30-day exploitation probability 0.47%

    first.org
  • EUVDVulnerability recordEUVD-2025-32466

    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 vulnerab

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 23, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.