CVE-2026-73809

HIGH CVSS 4.0: 8.7 EPSS 0.17%
Updated Aug 31, 2026
Ebyte
Parameter Value
CVSS 8.7 (HIGH)
Type CWE-319 (Cleartext Transmission)
Vendor Ebyte
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
None
No data modification
Availability
None
No disruption

CVSS Vector v4.0

Vulnerable Products

ebyte:ebyte na111-m firmware