CVE-2026-9033 Unauthenticated Captive Portal Session Termination and Forced Logout in Omada Gateways

Medium 6.0 Published 20 Aug 2026 Updated 20 Aug 2026

Unauthenticated attackers can terminate captive portal sessions on Omada Gateways, forcing users to re-authenticate and causing service disruption.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-9033?

CVE-2026-9033 is a medium-severity missing authorization vulnerability in TP-Link Systems Inc DR3150 v1, published on 20 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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.

Weakness: CWE-306

Which versions are affected by CVE-2026-9033?

It affects 18 products.

Products include Tp-Link Dr3150 Firmware, Tp-Link Dr3220v-4g Firmware, Tp-Link Dr3650v-4g Firmware, Tp-Link Dr3650v Firmware, Tp-Link Er603wp-4g-Outdoor Firmware, Tp-Link Er605 Firmware and 12 more.

How do I fix CVE-2026-9033?

No fix has been published for CVE-2026-9033 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-9033 being exploited?

There is no known exploitation of CVE-2026-9033 in the wild and no public exploit code.

Sources

Also known as GHSA-fpm4-hq62-cqf6.