by Kastro
Paper/Archive/CVE-2026-69658

CVE-2026-69658

Ebyte Ebyte NA111-M Firmware — Ebyte NA111-M Cleartext Transmission of Sensitive Information

EPSS 0.3%CVSS 9.8
critical.is priorityof 100
35
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 27.9.279 × 205.6No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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

ProductAffectedFixed inSource
Ebyte NA111-M Firmware9013-2-17–CNA

Scores by source

icscert (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
icscert (CNA)9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refcisa.gov/news-events/ics-advisories/icsa-26-237-06refgithub.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-237-06.json