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Vulnerabilities

Vulnerability · CVE-2025-59947

NanoMQ is a messaging broker/bus for IoT Edge & SDV.

Published Dec 15, 2025 · catalog updated Oct 14, 2026 · NanoMQ is a messaging

Check if you run it

No confirmed exploitation is on record for CVE-2025-59947. EPSS is 0.33%. Act only if a listed version of NanoMQ is a messaging is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (NanoMQ is a messaging).
  • 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
High8.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.33%
Remediation
Advisory link
Affected products
cpe emqx/nanomq

NanoMQ is a messaging broker/bus for IoT Edge & SDV. Versions prior to 0.24.4 have a buffer overflow case while the PUBLISH packets trigger both shared subscription and vanila subscription. This is fixed in version 0.24.4. As a workaround, disable shared subscription.

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.

  • cpe emqx/nanomqversion unspecified

How to fix CVE-2025-59947

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-2025-59947. EPSS is 0.33%. Act only if a listed version of NanoMQ is a messaging 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-120: Classic Buffer Overflow. EPSS 0.33%. 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.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 15, 2025 · NIST NVD

    Detected

    NanoMQ is a messaging broker/bus for IoT Edge & SDV. Versions prior to 0.24.4 have a buffer overflow case while the PUBLISH packets trigger both shared subscription and vanila subscription. This is fixed in version 0.24.4. As a workaround, disable shared subscription.

  2. Oct 14, 2026 · NIST NVD

    Updated

    NanoMQ is a messaging broker/bus for IoT Edge & SDV. Versions prior to 0.24.4 have a buffer overflow case while the PUBLISH packets trigger both shared subscription and vanila subscription. This is fixed in version 0.24.4. As a workaround, disable shared subscription.

Sources

  • CVE.orgVulnerability recordCVE-2025-59947

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-59947

    30-day exploitation probability 0.3%

    first.org
  • NIST NVDVulnerability recordCVE-2025-59947

    NanoMQ is a messaging broker/bus for IoT Edge & SDV. Versions prior to 0.24.4 have a buffer overflow case while the PUBLISH packets trigger both shared subscription and vanila subscription. This is fixed in version 0.24.4. As a workaround, disable shared subscription.

    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.