What is CVE-2026-76133?

CVE-2026-76133 is a critical-severity vulnerability in Ebyte Na111-M Firmware, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 9.8/10. Published 2026-08-31.

How severe is CVE-2026-76133?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Ebyte Na111-M Firmware

CVE-2026-76133

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.

Vulnerability class: POODLE (CVE-2014-3566)

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Ebyte Na111-m Firmware — versions 9013-2-17

Weakness classification (CWE)

CWE-327 — Use of a Broken or Risky Cryptographic Algorithm

References

Frequently asked questions

What is CVE-2026-76133?: CVE-2026-76133 is a critical-severity vulnerability in Ebyte Na111-M Firmware, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 9.8/10. Published 2026-08-31.
How severe is CVE-2026-76133?: Critical severity. CVSS v3 base score is 9.8 out of 10.