Unauthenticated Captive Portal Session Termination and Forced Logout in Omada Gateways

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-9033
StatePUBLISHED
AssignerTPLink
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-20 19:17:04 UTC
Updated2026-08-20 19:17:04 UTC
DescriptionAn 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.

Risk And Classification

Primary CVSS: v4.0 6 MEDIUM from f23511db-6c3e-4e32-a477-6aa17d310630

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Problem Types: CWE-306 | CWE-306 CWE-306 Missing Authentication for Critical Function

VersionSourceTypeScoreSeverityVector
4.0f23511db-6c3e-4e32-a477-6aa17d310630Secondary6MEDIUMCVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/C...
4.0CNACVSS6MEDIUMCVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

CVSS v4.0 Breakdown

Attack Vector
Adjacent
Attack Complexity
Low
Attack Requirements
Present
Privileges Required
None
User Interaction
None
Confidentiality
None
Integrity
None
Availability
High
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA TP-Link Systems Inc. ER7212PC V2 affected 2.4.3 Build 20260722 Rel.40250 custom Not specified
CNA TP-Link Systems Inc. ER605 V2 affected 2.4.4 Build 20260630 Rel.14398 custom Not specified
CNA TP-Link Systems Inc. ER7206 V2 affected 2.3.5 Build 20260625 Rel.43136 custom Not specified
CNA TP-Link Systems Inc ER7406 V1 affected 1.3.4 Build 20260625 Rel.43136 custom Not specified
CNA TP-Link Systems Inc. ER707-M2 V1 affected 1.4.4 Build 20260625 Rel.43063 custom Not specified
CNA TP-Link Systems Inc ER7412-M2 V1 affected 1.2.0 Build 20260630 Rel.82947 custom Not specified
CNA TP-Link Systems Inc. ER8411 V1 affected 1.4.1 Build 20260708 Rel.64832 custom Not specified
CNA TP-Link Systems Inc. ER706W V1 affected 1.2.11 Build 20260723 Rel.41567 custom Not specified
CNA TP-Link Systems Inc. ER706W-4G V1 affected 1.2.6 Build 20260723 Rel.41321 custom Not specified
CNA TP-Link Systems Inc. ER706W-4G V2 affected 2.1.11 Build 20260723 Rel.41624 custom Not specified
CNA TP-Link Systems Inc. ER706WP-4G V1 affected 1.1.11 Build 20260723 Rel.41624 custom Not specified
CNA TP-Link Systems Inc. ER703WP-4G-Outdoor V1 affected 1.1.7 Build 20260723 Rel.41712 custom Not specified
CNA TP-Link Systems Inc. DR3220v-4G V1 affected 1.2.0 Build 20260630 Rel.82652 custom Not specified
CNA TP-Link Systems Inc. DR3650v V1 affected 1.2.0 Build 20260630 Rel.83311 custom Not specified
CNA TP-Link Systems Inc. DR3650v-4G V1 affected 1.2.0 Build 20260630 Rel.83347 custom Not specified
CNA TP-Link Systems Inc. ER603WP-4G-Outdoor V1 affected 1.0.2 Build 20260723 Rel.43271 custom Not specified
CNA TP-Link Systems Inc. DR3150 V1 affected 1.0.1 Build 20260722 Rel.16854 custom Not specified
CNA TP-Link Systems Inc. ER701-5G-Outdoor V1 affected 1.0.3 Build 20260723 Rel.40931 custom Not specified
CNA TP-Link Systems Inc. ER605W V2 affected 2.0.4 Build 20260723 Rel.43763 custom Not specified

References

ReferenceSourceLinkTags
www.tp-link.com/us/support/faq/5256 f23511db-6c3e-4e32-a477-6aa17d310630 www.tp-link.com
www.omadanetworks.com/us/support/download f23511db-6c3e-4e32-a477-6aa17d310630 www.omadanetworks.com
www.omadanetworks.com/en/support/download f23511db-6c3e-4e32-a477-6aa17d310630 www.omadanetworks.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Yoontae Lee (@yunttai) (en)

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