CVE-2026-73819: CWE-1390 in Ebyte Ebyte NA111-M Firmware
Description
CVE-2026-73819 is a critical vulnerability in the Ebyte NA111-M Firmware. The vendor's configuration utility allows unauthenticated access to administrative functions under certain credential conditions. This flaw enables an attacker on the adjacent network to modify device settings or change access credentials, potentially locking out legitimate administrators.
CVSS v3.1
Score 9.8critical
Affected software
Ebyte
Ebyte NA111-M Firmware
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-73819 is a critical vulnerability in the Ebyte NA111-M Firmware where the configuration utility does not verify the operator's identity under specific credential conditions. This lack of authentication allows an unauthenticated attacker on the adjacent network to access administrative functions, modify critical device settings, or change access credentials, which could result in denial of legitimate administrative access.
Potential Impact
An unauthenticated attacker on the adjacent network can gain administrative access to the device, modify critical settings, and change access credentials. This can lead to loss of device control by legitimate administrators and potentially disrupt device operations.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict network access to the device's configuration utility to trusted administrators only and monitor for unauthorized access attempts.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- icscert
- Date Reserved
- 2026-08-21T19:56:57.906Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a95a04eacd9273b49462709
Added to database: 08/31/2026, 15:39:58 UTC
Last enriched: 10/12/2026, 21:30:46 UTC
Last updated: 10/13/2026, 18:48:23 UTC
Views: 59
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