CVE-2021-44032

TP-Link Omada SDN Software Controller before 5.0.15 does not check if the authentication method specified in a connection request is allowed. An attacker can bypass the captive portal authentication process by using the downgraded "no authentication" method, and access the protected network. For example, the attacker can simply set window.authType=0 in client-side JavaScript.

• https://github.com/Orange-Cyberdefense/CVE-repository/blob/master/PoCs/POC_CVE-2021-44032_Kevin.mdExploit, Third Party Advisory
• https://www.tp-link.com/us/omada-sdn/Vendor Advisory
• https://www.tp-link.com/us/securityVendor Advisory
• https://github.com/Orange-Cyberdefense/CVE-repository/blob/master/PoCs/POC_CVE-2021-44032_Kevin.mdExploit, Third Party Advisory
• https://www.tp-link.com/us/omada-sdn/Vendor Advisory
• https://www.tp-link.com/us/securityVendor Advisory

Published

Mar 10, 2022

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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