CVE-2026-76940

Ebyte NA111-M Improper Restriction of Excessive Authentication Attempts

State: Published
Severity: 8.7 High
Published: Aug 27, 2026
Updated: Oct 5, 2026
Reserved: Aug 20, 2026

Description

The affected Ebyte device does not restrict repeated authentication attempts through rate limiting or account lockout mechanisms. This could allow an attacker to perform automated authentication attacks against deployments that rely on password based authentication.

Scores

CVSS	Score	Vector	Source
4.0	8.7 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N	icscert
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	icscert

Weaknesses

CWE-307

Affected Products

Product	Versions
Ebyte NA111-M FirmwareEbyte	9013-2-17Affected

References

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

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.