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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
MEDIUM 5.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-10
Original CVE updated
2026-06-12
Advisory published
2026-06-10
Advisory updated
2026-06-12

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.

Official resources

CVE-2026-24717 was published on 2026-06-10T04:17:16.867Z and modified on 2026-06-12T20:21:12.710Z.