---
id: CVE-2026-73125
title: Ebyte NA111-M Missing Authentication for Critical Function
summary: |-
  Ebyte device web management interface does not consistently enforce 
  authentication before granting access to administrative functionality. 
  An unauthenticated remote attacker could access sensitive configuration 
  information, modify dev…
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cvssSource: cna
cwe:
  - CWE-306
vendor: Ebyte
product: Ebyte NA111-M Firmware
affected:
  - na111-m_firmware 9013-2-17
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: total
  timestamp: '2026-08-28T13:50:43.065832Z'
published: '2026-08-27'
updated: '2026-10-05'
sourceUpdated: '2026-10-05T19:20:22.435Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-73125'
references:
  - url: 'https://www.cisa.gov/news-events/ics-advisories/icsa-26-237-06'
  - url: >-
      https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-237-06.json
tags:
  - cve.org
epss: 0.00795
epssPercentile: 0.54906
ingestedAt: '2026-10-05T20:32:56.667Z'
---

## Overview

Ebyte device web management interface does not consistently enforce 
authentication before granting access to administrative functionality. 
An unauthenticated remote attacker could access sensitive configuration 
information, modify device settings, or disrupt availability.

## Affected

- `na111-m_firmware 9013-2-17`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

### Workarounds

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.
