CVE-2026-81531: tp link systems inc. oc200 v2
Vulnerability summary
CVE-2026-81531 is a medium (CVSS 6.9) vulnerability in tp link systems inc. oc200 v2. EPSS estimates a 0.67% chance of exploitation in the next 30 days, higher than 51.1% of scored vulnerabilities.
Timeline
- 08-09-2026PublishedVulnerability first disclosed.
- 21-09-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST6.9MediumCVSS: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
EPSS trend
Probability
0.67%
Chance of exploitation in the next 30 days
Percentile
51%
Versus all other CVEs
30-day change
+0.28 pp
From 0.38% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Tp-link systems inc.4 products
Tp-link systems inc2 products
Tp link systems inc.1 product
- oc200 v2< (UN)_V2_2.27.10 Build 20260825
Tp-link system inc.1 product
- omada software controller< 6.3.0.45
4 vendors · 8 products
References
3 links- support.omadanetworks.com/us/document/133567/Vendor Advisory