Sensitive Information Exposure in Ebyte Gateway Products
CVE-2026-73809

8.7HIGH

Key Information:

Vendor

Ebyte

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

What is CVE-2026-73809?

A vulnerability in certain Ebyte gateway products permits cleartext transmission of sensitive information through its web management interface. The lack of sufficient transport-layer encryption allows an attacker with access to the network traffic to intercept critical authentication and session information exchanged between users and the devices. This exposure can lead to unauthorized access and control over device management functionalities, thereby compromising the security of the network.

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.
.