CVE-2026-81531: TP-Link System Inc Omada Software Controller
Medium severity, CVSS 6.9. EPSS: 0.7% chance of exploitation in the next 30 days.
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.
Affected products
- TP-Link System Inc Omada Software Controller: before 6.3.0.45 (fixed in 6.3.0.45)
- TP-Link Systems Inc OC200 v1
- TP-Link Systems Inc OC200 v3
- TP-Link Systems Inc OC220 v1
- TP-Link Systems Inc OC220 v2
- TP-Link Systems Inc OC300 v1
- TP-Link Systems Inc OC400 v1
- TP Link Systems Inc OC200 v2
Published 2026-09-08. Last modified 2026-09-21.