CVE-2026-73125: Ebyte NA111-M Missing Authentication for Critical Function

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% 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-306

Description

Ebyte device web management interface does not consistently enforce authentication before granting access to administrative functionality. An unauthenticated remote attacker could access sensitive configuration information, modify device settings, or disrupt availability.

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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