CVE-2025-59947 HIGH

CVE-2025-59947: NanoMQ has Buffer Overflow

Vendor Nanomq
Product nanomq
Weakness CWE-120
Published December 15, 2025
Last update December 15, 2025
View on NVD All CVEs

CVSS base score

8.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction —
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:H/VA:H/SC:L/SI:H/SA:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

December 15, 2025 CVE published
December 15, 2025 Record updated