TP-Link Omada Controller Initialization API Endpoint information disclosure

Summaryinfo

A vulnerability was found in TP-Link Omada Controller. It has been classified as problematic. Impacted is an unknown function of the component Initialization API Endpoint. This manipulation causes information disclosure. This vulnerability appears as CVE-2026-81531. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability classified as problematic was found in TP-Link Omada Controller (unknown version). Affected by this vulnerability is an unknown code block of the component Initialization API Endpoint. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

An information disclosure vulnerability has been identified in Omada Controller.  An API endpoint intended for Controller initialization remains accessible after completion and may disclose account-related information to unauthenticated remote users.  Successful exploitation may allow an attacker to remote query the affected endpoint that may facilitate user enumeration and subsequent attacks targeting administrative accounts.

It is possible to read the advisory at support.omadanetworks.com. This vulnerability is known as CVE-2026-81531 since 08/27/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/08/2026). The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• TP-Link

Name

• Omada Controller

License

• commercial

Website

• Vendor: https://www.tp-link.com/

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