CVE-2026-81531
TP-Link · published 2026-09-08
Source record Collected from the National Vulnerability Database (NVD)
Description
Description by TPLink via the CVE Program.
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.
Status at the source
- NVD status: Deferred — NVD has not analysed this CVE.
Affected products, as the source lists them
| Vendor | Product | Versions |
|---|---|---|
| TP-Link System Inc. | Omada Software Controller | 0 – before 6.3.0.45: affected |
| TP-Link Systems Inc. | OC200 V1 | 0 – before (UN)_V1_1.42.10 Build 20260825: affected |
| TP Link Systems Inc. | OC200 v2 | 0 – before (UN)_V2_2.27.10 Build 20260825: affected |
| TP-Link Systems Inc | OC200 v3 | 0 – before (UN)_V3_3.4.10 Build 20260825: affected |
| TP-Link Systems Inc. | OC220 v1 | 0 – before (UN)_V1_1.7.10 Build 20260825: affected |
| TP-Link Systems Inc | OC220 v2 | 0 – before (UN)_V2_2.6.10 Build 20260825: affected |
| TP-Link Systems Inc. | OC300 v1 | 0 – before (UN)_V1_1.36.10 Build 20260825: affected |
| TP-Link Systems Inc. | OC400 v1 | 0 – before (UN)_V1_1.14.10 Build 20260825: affected |
DeSpy has not checked any unit, hardware revision or firmware. A product missing here is not a statement that it is unaffected.
Scores, as their sources published them
- CVSS 4.0: 6.9 MEDIUM — as published by TPLink (Secondary)
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/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 - SSVC — CISA's assessment (SSVC 2.0.3, CISA Coordinator): Exploitation: none · Automatable: yes · Technical impact: partial
DeSpy does not score records. These are the sources' own values.
Weaknesses
Sources
References the source lists
- https://support.omadanetworks.com/en/download/software/omada-controller/
- https://support.omadanetworks.com/us/document/133567/
- https://support.omadanetworks.com/us/download/software/omada-controller/
Source dates: published 2026-09-08, last changed 2026-09-21. DeSpy's copy of this version is dated 2026-09-28.
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