CVE-2026-76133

CRITICAL 9.8

Ebyte NA111-M Use of a Broken or Risky Cryptographic Algorithm

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-327
Vendor	ebyte
Product	ebyte na111-m firmware
Published	Aug 31, 2026
Last Updated	Aug 31, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

Ebyte / Ebyte NA111-M Firmware

9013-2-17

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

Jithin Nambiar reported this vulnerability to CISA.