CVE-2026-9033

Unauthenticated Captive Portal Session Termination and Forced Logout in Omada Gateways

State: Published
Severity: 6.0 Medium
Published: Aug 20, 2026
Updated: Aug 20, 2026
Reserved: May 19, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	6.0 Medium	CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N	TPLink

Weaknesses

CWE-306 Missing Authentication for Critical Function

Affected Products

Product	Versions
ER7212PC v2TP-Link Systems Inc.	before 2.4.3 Build 20260722 Rel.40250Affected
ER605 v2TP-Link Systems Inc.	before 2.4.4 Build 20260630 Rel.14398Affected
ER7206 v2TP-Link Systems Inc.	before 2.3.5 Build 20260625 Rel.43136Affected
ER7406 v1TP-Link Systems Inc	before 1.3.4 Build 20260625 Rel.43136Affected
ER707-M2 v1TP-Link Systems Inc.	before 1.4.4 Build 20260625 Rel.43063Affected
ER7412-M2 v1TP-Link Systems Inc	before 1.2.0 Build 20260630 Rel.82947Affected
ER8411 v1TP-Link Systems Inc.	before 1.4.1 Build 20260708 Rel.64832Affected
ER706W v1TP-Link Systems Inc.	before 1.2.11 Build 20260723 Rel.41567Affected
ER706W-4G v1TP-Link Systems Inc.	before 1.2.6 Build 20260723 Rel.41321Affected
ER706W-4G v2TP-Link Systems Inc.	before 2.1.11 Build 20260723 Rel.41624Affected
ER706WP-4G v1TP-Link Systems Inc.	before 1.1.11 Build 20260723 Rel.41624Affected
ER703WP-4G-Outdoor v1TP-Link Systems Inc.	before 1.1.7 Build 20260723 Rel.41712Affected
DR3220v-4G v1TP-Link Systems Inc.	before 1.2.0 Build 20260630 Rel.82652Affected
DR3650v v1TP-Link Systems Inc.	before 1.2.0 Build 20260630 Rel.83311Affected
DR3650v-4G v1TP-Link Systems Inc.	before 1.2.0 Build 20260630 Rel.83347Affected
ER603WP-4G-Outdoor v1TP-Link Systems Inc.	before 1.0.2 Build 20260723 Rel.43271Affected
DR3150 v1TP-Link Systems Inc.	before 1.0.1 Build 20260722 Rel.16854Affected
ER701-5G-Outdoor v1TP-Link Systems Inc.	before 1.0.3 Build 20260723 Rel.40931Affected
ER605W v2TP-Link Systems Inc.	before 2.0.4 Build 20260723 Rel.43763Affected

References

Omada Gateway Firmware Downloads (EN)patch
Omada Gateway Firmware Downloads (US)patch
https://www.tp-link.com/us/support/faq/5256/vendor-advisory

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