Authentication Bypass in Ebyte Device Management Interface
CVE-2026-73125

9.3CRITICAL

Key Information:

Vendor

Ebyte

Vendor
CVE Published:
27 August 2026

What is CVE-2026-73125?

CVE-2026-73125 is a serious vulnerability found in the Ebyte device management interface, which is used for the configuration and control of Ebyte's products. The primary function of this interface is to allow administrators to manage device settings and configurations remotely. However, this vulnerability arises from inconsistent enforcement of authentication protocols, meaning that an unauthenticated remote attacker can gain unauthorized access to administrative functionalities. This could potentially lead to exposure of sensitive configuration information, unauthorized modifications to device settings, and disruption of device availability, which could jeopardize the integrity and security of the operational environment.

Potential impact of CVE-2026-73125

  1. Unauthorized Access: Attackers can exploit this vulnerability to access sensitive information without proper authentication, leading to potential data leakage that could compromise network security.

  2. Configuration Alteration: The ability to modify device settings unchecked could result in configuration changes that may intentionally or unintentionally disrupt services, affecting operational continuity.

  3. Availability Disruption: By exploiting this vulnerability, attackers could destabilize the devices or the networks they are part of, causing significant interruptions in services, which can lead to financial losses and damage to organizational reputation.

Affected Version(s)

Ebyte NA111-M Firmware 9013-2-17

References

CVSS V4

Score:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
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.
.