CVE-2026-76945 affects Ebyte devices that rely on client-managed authentication tokens without adequate server-side validation. This design flaw allows attackers to replay or manipulate authentication tokens to gain unauthorized access to administrative functionality. The vulnerability is classified as an improper authentication/session management issue. It has been reported via NVD and is associated with a CISA ICS advisory (ICSA-26-237-06), indicating it affects operational technology or industrial control system environments. The lack of server-side token validation is a critical security gap that could allow complete administrative compromise of affected devices. Organizations using affected Ebyte devices should apply available patches or mitigations as recommended by CISA.
