CVE-2026-77966: CWE-862 Missing Authorization in Ebyte Ebyte NA111-M Firmware
Description
CVE-2026-77966 is a high severity vulnerability in the Ebyte NA111-M Firmware version 9013-2-17. It involves missing authorization controls that allow a low privileged authenticated attacker to access and modify sensitive configuration settings. This flaw affects the confidentiality, integrity, and availability of the device.
CVSS v3.1
Score 8.8high
Affected software
Ebyte
Ebyte NA111-M Firmware
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The Ebyte NA111-M Firmware version 9013-2-17 lacks proper separation between limited and administrative management functions. This missing authorization (CWE-862) enables a low privileged authenticated attacker to access security-sensitive configuration functions and modify device settings. The vulnerability has a CVSS 3.1 base score of 8.8, indicating high impact on confidentiality, integrity, and availability.
Potential Impact
An attacker with low privilege authentication can gain unauthorized access to administrative functions, potentially leading to unauthorized configuration changes that compromise the device’s confidentiality, integrity, and availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch information is provided at this time.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- icscert
- Date Reserved
- 2026-08-21T19:56:57.914Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a95a348acd9273b494ac4b7
Added to database: 08/31/2026, 15:52:40 UTC
Last enriched: 10/06/2026, 19:27:29 UTC
Last updated: 10/13/2026, 18:48:23 UTC
Views: 80
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