Vulnerability · Published Aug 27, 2026 · Assigned by icscert
CVE-2026-69658Ebyte NA111-M Cleartext Transmission of Sensitive Information
Critical 9.8
In plain English
A critical-severity security flaw in Ebyte NA111-M Firmware from Ebyte. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 28% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.3%top 71.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
MQTT credentials and control traffic are transmitted in cleartext, exposing sensitive information to network-level attackers. This may enable unauthorized device impersonation and disruption of messaging functions.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Ebyte | Ebyte NA111-M Firmware | 9013-2-17 |
Weakness: CWE-319 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H