CVE-2026-73819 PUBLISHED

Ebyte NA111-M Weak Authentication

Assigner: icscert
Reserved: 21.08.2026 Published: 31.08.2026 Updated: 31.08.2026

The affected Ebyte

product's vendor configuration utility permits access to administrative functions without verifying the operator's identity under certain credential conditions. An unauthenticated attacker on the adjacent network could modify critical settings or change access credentials, potentially preventing legitimate administrators from managing the device.

Metrics

CVSS 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
CVSS Score: 9.3

Product Status

Vendor Ebyte
Product Ebyte NA111-M Firmware
Versions Default: unaffected
  • Version 9013-2-17 is affected

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.

Credits

  • Jithin Nambiar reported this vulnerability to CISA. finder

References

Problem Types

  • CWE-1390 CWE