CVE-2026-76133

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

Published Aug 31, 2026 CVSS 4.0 · 9.3 Critical EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Workaround

Ebyte acknowledged receipt of the reported vulnerabilities and indicated that a patch was under development. However, the vendor has not responded to subsequent requests for coordination, and CISA has not been informed of the status or availability of the patch. Users are encouraged to reach out to Ebyte for more information.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Ebyte
Ebyte ebyte Na111-m Firmware
Vendors & Products Ebyte
Ebyte ebyte Na111-m Firmware
Type Values Removed Values Added
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.
Title Ebyte NA111-M Use of a Broken or Risky Cryptographic Algorithm
Weaknesses CWE-327
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.3, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
icscert
Published
Updated
Oct 5, 2026, 7:26 PM
Reserved
Aug 21, 2026, 7:56 PM
Status
Deferred
Published
Aug 31, 2026, 4:19 PM
Modified
Sep 1, 2026, 5:17 PM