CVE•Published 2025-12-15•Modified 2026-10-14•1 article on news•5 live references•NVD data
CVE-2025-59947Emqx · Nanomq
Vulnerability data via NVD (ingested)
CVSS v3.1
9.0
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
EPSS percentile
24
Exploit Prediction Scoring System · top 76% of all CVEs
Description
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.
Timeline
Published 2025-12-15
Modified 2026-10-14
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2025-59947Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Emqx Nanomq"All exposed Emqx Nanomq instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Nanomq"HTTP body or banner mentions "Nanomq" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2025-59947Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2025-59947Censys host search filtered to this CVE id.
grep.app
CVE-2025-59947Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2025-59947GitHub code search for direct mentions.
Google dork
"CVE-2025-59947" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2025-59947 on GitHub.