CVE-2026-69658

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.

Score

CVSS 3.1 9.8 Critical

Status

Deferred - ics-cert@hq.dhs.gov

Published

2026-08-27

Last modified

2026-10-05

Weaknesses

CWE-319

Affected products

• Ebyte Na111-m Firmware (Ebyte)

References

• https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-237-06.json
• https://www.cisa.gov/news-events/ics-advisories/icsa-26-237-06