Vulnerability and Impact Description:
CVE-2026-81531
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.
CVSS v4.0 Score: 6.9 / Medium
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
Affected Products/Versions and Fixes:
|
Product |
Fixed firmware |
|
Software Controller |
|
|
Omada Controller for Windows & Linux |
6.3.0.44 |
|
Hardware Controller |
|
|
OC200(UN)_V1 |
1.42.10 Build 20260825 |
|
OC200(UN)_V2 |
2.27.10 Build 20260825 |
|
OC200(UN)_V3 |
3.4.10 Build 20260825 |
|
OC220(UN)_V1 |
1.7.10 Build 20260825 |
|
OC220(UN)_V2 |
2.6.10 Build 20260825 |
|
OC300(UN)_V1 |
1.36.10 Build 20260825 |
|
OC400(UN)_V1 |
1.14.10 Build 20260825 |
Recommendations:
We strongly recommend that users with affected devices take the following actions:
- Follow the instructions to update to the latest software version:
Disclaimer:
This advisory is provided for informational purposes only and is subject to change without notice. The information is provided “as is” without warranties of any kind. TP-Link recommends that customers promptly apply available firmware updates or implement documented workarounds as provided in this advisory. Devices/systems that are not updated or mitigated as described may remain vulnerable, and TP-Link disclaims any responsibility or liability for any damages or losses arising from a failure to implement such updates.
