CVE-2026-9033: Unauthenticated Captive Portal Session Termination and Forced Logout in Omada Gateways
An unauthenticated attacker with network access to the captive portal service of an affected device can terminate active captive portal sessions, including forcing logout of specific users or clearing all active sessions. Affected users must re-authenticate to regain access.
Successful exploitation may allow termination of individual or all active captive portal sessions, causing temporary service disruption and requiring users to re-authenticate.
Affected Software
Event History
Frequently Asked Questions
Who can exploit this issue?
An attacker must have network access to the affected device's captive portal service. No authentication is required to terminate captive portal sessions.
What is the operational impact of exploitation?
An attacker can force logout of specific captive portal users or clear all active captive portal sessions. Affected users lose access until they authenticate again.
What can be done if updates cannot be applied immediately?
Limit network access to the captive portal service to trusted users and networks where possible, since exploitation requires network access to that service.