Authentication Vulnerability in Ebyte Device
CVE-2026-76940

8.7HIGH

Key Information:

Vendor

Ebyte

Status
Ebyte Ne2-d11 Firmware
Vendor
CVE Published:
27 August 2026

What is CVE-2026-76940?

The Ebyte device lacks effective mechanisms for controlling repeated authentication attempts, making it susceptible to automated attacks. Attackers can exploit this weakness to execute unauthorized access attempts. This scenario highlights the importance of implementing robust rate limiting and account lockout strategies to safeguard systems that utilize password-based authentication, thereby protecting against potential breaches.

Affected Version(s)

Ebyte NE2-D11 Firmware FW-9167-0-11

References

https://www.cisa.gov/news-events/ics-advisories/icsa-26-2...
https://github.com/cisagov/CSAF/blob/develop/csaf_files/O...

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Jithin Nambiar reported this vulnerability to CISA.
.