CVE-2026-69658criticalCWE-319

CVE-2026-69658: critical vulnerability in Ebyte NA111-M Firmware

Ebyte NA111-M Cleartext Transmission of Sensitive Information

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28Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 9.3epss 0.3%
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Affected products
Ebyte · Ebyte NA111-M Firmware
Related CVEs — Ebyte NA111-M Firmware

In the same product, most dangerous first.

CVE-2026-73125CRITICALEbyte NA111-M Missing Authentication for Critical FunctionEPSS 0.8%CVE-2026-71187CRITICALEbyte NA111-M Use of Client-Side AuthenticationEPSS 0.8%CVE-2026-76179CRITICALEbyte NA111-M Use of GET Request Method With Sensitive Query StringsEPSS 0.7%CVE-2026-73819CRITICALEbyte NA111-M Weak AuthenticationEPSS 0.5%CVE-2026-76940HIGHEbyte NA111-M Improper Restriction of Excessive Authentication AttemptsEPSS 0.5%CVE-2026-77966HIGHEbyte NA111-M Missing AuthorizationEPSS 0.4%