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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable yes

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
TP-Link System Inc. Omada Software Controller unaffected
Version Status Constraints
0 affected < 6.3.0.44
TP-Link Systems Inc. OC200 V1 unaffected
Version Status Constraints
0 affected < (UN)_V1_1.42.10 Build 20260825
TP Link Systems Inc. OC200 v2 unaffected
Version Status Constraints
0 affected < (UN)_V2_2.27.10 Build 20260825
TP-Link Systems Inc OC200 v3 unaffected
Version Status Constraints
0 affected < (UN)_V3_3.4.10 Build 20260825
TP-Link Systems Inc. OC220 v1 unaffected
Version Status Constraints
0 affected < (UN)_V1_1.7.10 Build 20260825
TP-Link Systems Inc OC220 v2 unaffected
Version Status Constraints
0 affected < (UN)_V2_2.6.10 Build 20260825
TP-Link Systems Inc. OC300 v1 unaffected
Version Status Constraints
0 affected < (UN)_V1_1.36.10 Build 20260825
TP-Link Systems Inc. OC400 v1 unaffected
Version Status Constraints
0 affected < (UN)_V1_1.14.10 Build 20260825

No data.

No data.

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Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://support.omadanetworks.com/en/download/software/omada-controller/ cve-icon cve-icon
https://support.omadanetworks.com/us/document/133567/ cve-icon cve-icon
https://support.omadanetworks.com/us/download/software/omada-controller/ cve-icon cve-icon
History

Wed, 09 Sep 2026 09:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Tue, 08 Sep 2026 17:00:00 +0000

Type Values Removed Values Added
Description 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.
Title Unauthenticated Account Information Disclosure in Multiple Omada Controllers
Weaknesses CWE-200
References
Metrics cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: TPLink

Published:

Updated: 2026-09-08T17:21:54.913Z

Reserved: 2026-08-26T22:31:50.287Z

Link: CVE-2026-81531

cve-icon Vulnrichment

Updated: 2026-09-08T17:21:43.382Z

cve-icon NVD

Status : Deferred

Published: 2026-09-08T17:18:32.833

Modified: 2026-09-08T19:15:18.627

Link: CVE-2026-81531

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses