CVE-2025-44013
A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions.
Published Jan 2, 2026 · corrected/updated Oct 14, 2026 · qnap quts hero · evidence confidence high
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 QuTS hero h5.2.6.3195 build 20250715 and later
Grounded briefings
Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.
Executive
CVE-2025-44013 is a low public vulnerability record for qnap quts hero. It is not currently listed in the CISA Known Exploited catalog. Check the linked vendor or CERT advisories for patch status. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.
System administrator
Identify whether qnap quts hero is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: qnap/qts (5.2.0.2737); qnap/quts hero (h5.2.0.2737); qnap/quts hero (h5.2.0.2782); qnap/quts hero (h5.2.0.2789). Check the linked vendor or CERT advisories for patch status. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.
Security analyst
Signals on file: CVSS 1.3, EPSS 0.3%. It is not currently listed in the CISA Known Exploited catalog. Weakness classes: CWE-476. Sources contributing to this record: cve_org, epss, nvd. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.
Exploitation and remediation
Exploitation evidence
Not listed as known exploited in CISA KEV. Not in the CISA KEV catalog.
Patch and remediation
No required-action text is stored yet. Use the vendor or CERT links in Sources for patch availability.
Safe detection guidance
Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.
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.
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 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 QuTS hero h5.2.6.3195 build 20250715 and later
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 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 QuTS hero h5.2.6.3195 build 20250715 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.orgVulnerability recordCVE-2025-44013
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2025-44013
30-day exploitation probability 0.3%
first.org - NIST NVDVulnerability recordCVE-2025-44013
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
nvd.nist.gov