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PatchSiren cyber security CVE debrief

CVE-2026-24717 QNAP Systems Inc. CVE debrief

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.

Vendor
QNAP Systems Inc.
Product
QTS
CVSS
LOW 1.2
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-10
Original CVE updated
2026-06-30
Advisory published
2026-06-10
Advisory updated
2026-06-30

Who should care

Administrators of QNAP operating systems, particularly those using versions prior to QTS 5.2.9.3492, QuTS hero h5.2.9.3499, QuTS hero h5.3.4.3500, and QuTS hero h6.0.0.3459.

Technical summary

The vulnerability, identified as CVE-2026-24717, allows an attacker with administrator privileges to exploit a path traversal weakness. This can lead to unauthorized access to files or system data.

Defensive priority

MEDIUM

Recommended defensive actions

  • Update to QTS 5.2.9.3492 or later
  • Update to QuTS hero h5.2.9.3499 or later
  • Update to QuTS hero h5.3.4.3500 or later
  • Update to QuTS hero h6.0.0.3459 or later

Evidence notes

The vulnerability has been fixed in the specified versions.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-24717 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-24717

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-24717 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-24717

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.