CVE-2025-59947 is a critical buffer overflow vulnerability affecting NanoMQ versions prior to 0.24.4, specifically when PUBLISH packets trigger both shared and vanilla subscriptions. This flaw carries a CVSS score of 9.0 (CRITICAL), indicating it can be exploited remotely with low complexity, potentially leading to high impact on confidentiality, integrity, and availability. While no active exploitation, public exploit code, or significant community discussion has been observed, the high FAUCET Risk Score of 93/100 underscores its severe potential. Organizations using affected NanoMQ versions should upgrade to 0.24.4 or disable shared subscriptions as a workaround.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 0.24.4CPE matchmatch criteria | cpe:2.3:a:emqx:nanomq:*:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.6 Bluesky, 0.3 Mastodon, and 1.6 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.