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Ebyte NA111-M Missing Authentication for Critical Function

Type: advisorySource: Official CVE List1 source record

Ebyte gateway product's vendor configuration utility does not require authentication before allowing certain disruptive administrative actions when default credentials remain configured. An unauthenticated attacker on the adjacent network could reboot the device or restore factory settings, resulting in a loss of configuration and service availability.

Announced Source revision 1
Original source ↗

CVE-2026-77977

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-77977

Ebyte NA111-M Firmware

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "vendor": "Ebyte",
    "product": "Ebyte NA111-M Firmware",
    "versions": [
      {
        "status": "affected",
        "version": "9013-2-17"
      }
    ],
    "defaultStatus": "unaffected"
  }
]
Related CVEs
CVE-2026-77977

Source reference: /cveMetadata/cveId

Publisher severity

high

Source reference: /containers/cna/metrics

Event
#8918 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement