# CVE-2026-76133

## Summary

- **CVE ID:** CVE-2026-76133
- **Severity:** CRITICAL
- **CVSS Score:** 9.8 (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N)
- **CWE:** CWE-327
- **Published:** Aug 31, 2026
- **Last Modified:** Sep 1, 2026

## Description

The affected Ebyte 

product
 uses a deprecated hashing algorithm in an authentication-related 
operation. Under conditions where an attacker can manipulate or predict 
the authentication exchange, the weak construction may reduce the 
assurance provided by the authentication mechanism and facilitate 
unauthorized access.

## Affected Products

- 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:** 0.40%
- **EPSS Percentile:** 33.1

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