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PatchSiren cyber security CVE debrief

CVE-2024-38639 QNAP Systems Inc. CVE debrief

A QNAP Systems Inc. product is vulnerable to improper authentication, allowing remote attackers to compromise system security. The vulnerability has been fixed in a later version. QTS is not affected. This vulnerability impacts QNAP Systems Inc. products, and defenders should assess exposure and prioritize verification and remediation. The CVE record and NVD entry provide information on the vulnerability, but details on affected versions and exploitation are limited. The vulnerability allows remote attackers to compromise system security due to improper authentication.

Vendor
QNAP Systems Inc.
Product
QTS
CVSS
MEDIUM 4.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-18
Original CVE updated
2026-09-28
Advisory published
2026-09-18
Advisory updated
2026-09-28

Who should care

Defenders responsible for QNAP Systems Inc. products should assess exposure and prioritize verification and remediation. Defenders should prioritize verifying the vulnerability status of their QNAP Systems Inc. products and applying the fixed version. The vulnerability impacts QNAP Systems Inc. products, and defenders should review compensating controls for exposed systems while remediation is scheduled and verified.

Why it matters

The CVE-2024-38639 vulnerability in QNAP Systems Inc. products requires verification and remediation to prevent exploitation.

  • Verify vulnerability status of QNAP Systems Inc. products
  • Apply fixed version to prevent exploitation

Technical summary

The CVE-2024-38639 vulnerability affects a QNAP Systems Inc. product, allowing remote attackers to compromise system security due to improper authentication. The vulnerability has been fixed in a later version. QTS is not affected. Defenders should prioritize verifying the vulnerability status of their QNAP Systems Inc. products and applying the fixed version. The vulnerability impacts QNAP Systems Inc. products, and defenders should assess exposure and prioritize verification and remediation. The official CVE Program record and NVD detail page provide source-provided CVE metadata and source-specific vulnerability assessment.

Defensive priority

Defenders should prioritize verifying the vulnerability status of their QNAP Systems Inc. products and applying the fixed version.

Recommended defensive actions

  • Verify the vulnerability status of QNAP Systems Inc. products
  • Apply the fixed version
  • Monitor system security
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record and NVD entry provide information on the vulnerability, but details on affected versions and exploitation are limited. The vulnerability affects QNAP Systems Inc. products, and defenders should verify the vulnerability status of their QNAP Systems Inc. products and apply the fixed version. The CVE-2024-38639 vulnerability in QNAP Systems Inc. products requires verification and remediation to prevent exploitation. The official CVE Program record and NVD detail page provide source-provided CVE metadata and source-specific

Sources and references

Verified primary and authoritative sources

  • CVE-2024-38639 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2024-38639

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

  • CVE-2024-38639 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2024-38639

    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.