# CVE-2026-76940

## Summary

- **CVE ID:** CVE-2026-76940
- **Severity:** HIGH
- **CVSS Score:** 8.7 (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)
- **CWE:** CWE-307
- **Published:** Aug 27, 2026
- **Last Modified:** Aug 31, 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.

## Affected Products

- Ebyte — Ebyte NE2-D11 Firmware (FW-9167-0-11)
- Ebyte — Ebyte NA111-M Firmware (9013-2-17)

## References

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

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.36%
- **EPSS Percentile:** 28.9

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._