ArubaOS 3.3.1.x, 3.3.2.x, RN 3.1.x, 3.4.x, and 3.3.2.x-FIPS on the Aruba Mobility Controller allows remote attackers to cause a denial of service (Access Point crash) via a malformed 802.11 Association Request management frame.
Conclusion & alert: CVE-2009-3836 is rated Moderate Risk (44.3/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.91%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.37% | 0.91% | +0.55% |
| 2 | 2026-03-24 | 0.27% | 0.37% | +0.10% |
| 3 | 2025-03-17 | — | 0.27% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.1 | 2.0 | MEDIUM |
|
6.5 | 6.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| arubanetworks | arubaos | 3.1.1 | cpe:2.3:o:arubanetworks:arubaos:3.1.1:rn:*:*:*:*:*:* |
| arubanetworks | arubaos | 3.3.1.16 | cpe:2.3:o:arubanetworks:arubaos:3.3.1.16:*:*:*:*:*:*:* |
| arubanetworks | arubaos | 3.3.1.29 | cpe:2.3:o:arubanetworks:arubaos:3.3.1.29:*:*:*:*:*:*:* |
| arubanetworks | arubaos | 3.3.1.30 | cpe:2.3:o:arubanetworks:arubaos:3.3.1.30:*:*:*:*:*:*:* |
| arubanetworks | arubaos | 3.3.2.6 | cpe:2.3:o:arubanetworks:arubaos:3.3.2.6:*:*:*:*:*:*:* |
| arubanetworks | arubaos | 3.3.2.14 | cpe:2.3:o:arubanetworks:arubaos:3.3.2.14:fips:*:*:*:*:*:* |
| arubanetworks | arubaos | 3.4.0 | cpe:2.3:o:arubanetworks:arubaos:3.4.0:*:*:*:*:*:*:* |
| arubanetworks | aruba_mobility_controller | — | cpe:2.3:h:arubanetworks:aruba_mobility_controller:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://secunia.com/advisories/37085 | Vendor Advisory |
| http://www.arubanetworks.com/support/alerts/aid-102609.asc | Vendor Advisory |
| http://www.securityfocus.com/bid/36832 | |
| http://www.vupen.com/english/advisories/2009/3051 | Vendor Advisory |