What’s Vulnerable › Vulnerabilities

CVE-2026-69658: Ebyte NA111-M Cleartext Transmission of Sensitive Information

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-28 · updated 2026-08-31
• Weakness: CWE-319

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

• Ebyte NA111-M Firmware: 9013-2-17

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

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