CVE-2026-73809: CWE-319 Cleartext Transmission of Sensitive Information in Ebyte Ebyte NA111-M Firmware
Description
CVE-2026-73809 is a vulnerability in the Ebyte NA111-M Firmware version 9013-2-17 where sensitive information is transmitted in cleartext via the web management interface. This allows attackers with network access to intercept authentication or session data. The vulnerability has a high severity with a CVSS score of 7.5 and could lead to unauthorized access to device management functions.
CVSS v3.1
Score 7.5high
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 contains a CWE-319 vulnerability where sensitive information, including authentication or session data, is transmitted without encryption over the web management interface. This cleartext transmission exposes the data to interception by attackers with network access, potentially enabling unauthorized access to device management features. The vulnerability is rated high severity with a CVSS 3.1 score of 7.5 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).
Potential Impact
An attacker with network access can intercept sensitive authentication or session information transmitted in cleartext, which may allow unauthorized access to the device's management functions. This compromises confidentiality but does not directly affect integrity or availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a patch or official fix is available, avoid using the vulnerable firmware version on untrusted networks or ensure network-level protections such as VPNs or secure tunnels to protect management traffic.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- icscert
- Date Reserved
- 2026-08-20T15:03:17.017Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a916b3bacd9273b49cabe08
Added to database: 08/28/2026, 11:04:27 UTC
Last enriched: 10/12/2026, 21:30:43 UTC
Last updated: 10/13/2026, 18:48:23 UTC
Views: 69
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