CVE-2026-81531Unauthenticated Account Information Disclosure in Multiple Omada Controllers
Updated under an hour ago ()
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It affects TP-Link System Inc. Omada Software Controller and 7 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Free account, 1 product
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
- 6.9 MEDIUM (v4.0, CNA)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
- Weakness (CWE)
- CWE-200
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- TPLink
- NVD analysis
- Deferred
- Record last updated
- Sep 21, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
TP-Link System Inc. Omada Software Controller tp_link_system:omada_software_controller (from the name) | before 6.3.0.45 | CNA record |
TP-Link Systems Inc. OC200 V1 tp_link_systems:oc200_v1 (from the name) | before (UN)_V1_1.42.10 Build 20260825 | CNA record |
TP Link Systems Inc. OC200 v2 tp_link_systems:oc200_v2 (from the name) | before (UN)_V2_2.27.10 Build 20260825 | CNA record |
TP-Link Systems Inc OC200 v3 tp_link_systems:oc200_v3 (from the name) | before (UN)_V3_3.4.10 Build 20260825 | CNA record |
TP-Link Systems Inc. OC220 v1 tp_link_systems:oc220_v1 (from the name) | before (UN)_V1_1.7.10 Build 20260825 | CNA record |
TP-Link Systems Inc OC220 v2 tp_link_systems:oc220_v2 (from the name) | before (UN)_V2_2.6.10 Build 20260825 | CNA record |
TP-Link Systems Inc. OC300 v1 tp_link_systems:oc300_v1 (from the name) | before (UN)_V1_1.36.10 Build 20260825 | CNA record |
TP-Link Systems Inc. OC400 v1 tp_link_systems:oc400_v1 (from the name) | before (UN)_V1_1.14.10 Build 20260825 | CNA record |
References
- https://support.omadanetworks.com/us/download/software/omada-controller/patch
- https://support.omadanetworks.com/us/document/133567/vendor-advisory
- https://support.omadanetworks.com/en/download/software/omada-controller/patch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.