Vulnerability in Ebyte Na111-M Firmware

CVE-2026-73819

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.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-73819?
CVE-2026-73819 is a critical-severity vulnerability in Ebyte Na111-M Firmware, classified under Weak Authentication. CVSS score: 9.8/10. Published 2026-08-31.
How severe is CVE-2026-73819?
Critical severity. CVSS v3 base score is 9.8 out of 10.