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Vulnerabilities

Vulnerability · CVE-2026-24723

A NULL pointer dereference vulnerability has been reported to affect File Station 5.

Published Oct 15, 2026 · catalog updated Oct 15, 2026 · QNAP Systems Inc. File Station 5

Check if you run it

No confirmed exploitation is on record for CVE-2026-24723. EPSS is 0.28%. Act only if a listed version of QNAP Systems Inc. File Station 5 is installed.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.28%
Remediation
Not established
Affected products
vendor QNAP Systems Inc. File Station 5

A NULL pointer dereference vulnerability has been reported to affect File Station 5. 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 version: File Station 5 5.5.6.5243 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. File Station 5version unspecified

How to fix CVE-2026-24723

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-2026-24723. EPSS is 0.28%. Act only if a listed version of QNAP Systems Inc. File Station 5 is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-476: NULL Pointer Dereference. EPSS 0.28%. 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 15, 2026 · NIST NVD

    Detected

    A NULL pointer dereference vulnerability has been reported to affect File Station 5. 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 version: File Station 5 5.5.6.5243 and later

  2. Oct 15, 2026 · NIST NVD

    Updated

    A NULL pointer dereference vulnerability has been reported to affect File Station 5. 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 version: File Station 5 5.5.6.5243 and later

  3. Oct 15, 2026 · NIST NVD

    Updated

    A NULL pointer dereference vulnerability has been reported to affect File Station 5. 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 version: File Station 5 5.5.6.5243 and later

  4. Oct 15, 2026 · NIST NVD

    Updated

    A NULL pointer dereference vulnerability has been reported to affect File Station 5. 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 version: File Station 5 5.5.6.5243 and later

Sources

  • CIRCL Vulnerability LookupVulnerability recordCVE-2026-24723

    A NULL pointer dereference vulnerability has been reported to affect File Station 5. 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 version: Fi

    vulnerability.circl.lu
  • CVE.orgVulnerability recordCVE-2026-24723

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-24723

    30-day exploitation probability 0.3%

    first.org
  • NIST NVDVulnerability recordCVE-2026-24723

    A NULL pointer dereference vulnerability has been reported to affect File Station 5. 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 version: F

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.