CVE-2026-73809

Ebyte NA111-M Cleartext Transmission of Sensitive Information

Published Aug 27, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Description
A cleartext transmission of sensitive information vulnerability exists
in certain Ebyte gateway products. The web management interface does not
adequately protect sensitive communications using transport-layer
encryption. An attacker with access to network traffic could intercept
authentication or session-related information transmitted between a user
and the affected device. Successful exploitation could result in
disclosure of sensitive information and unauthorized access to device
management functionality.

Remediation

Vendor Workaround

Ebyte acknowledged receipt of the reported vulnerabilities and indicated that a patch was under development. However, the vendor has not responded to subsequent requests for coordination, and CISA has not been informed of the status or availability of the patch. Users are encouraged to reach out to Ebyte for more information.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Ebyte NE2-D11 Cleartext Transmission of Sensitive Information Ebyte NA111-M Cleartext Transmission of Sensitive Information
Type Values Removed Values Added
First Time appeared Ebyte
Ebyte ebyte Ne2-d11 Firmware
Vendors & Products Ebyte
Ebyte ebyte Ne2-d11 Firmware
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description A cleartext transmission of sensitive information vulnerability exists in certain Ebyte gateway products. The web management interface does not adequately protect sensitive communications using transport-layer encryption. An attacker with access to network traffic could intercept authentication or session-related information transmitted between a user and the affected device. Successful exploitation could result in disclosure of sensitive information and unauthorized access to device management functionality.
Title Ebyte NE2-D11 Cleartext Transmission of Sensitive Information
Weaknesses CWE-319
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
icscert
Published
Updated
Oct 5, 2026, 7:22 PM
Reserved
Aug 20, 2026, 3:03 PM
Status
Deferred
Published
Aug 28, 2026, 12:18 AM
Modified
Aug 31, 2026, 7:18 PM