CVE-2009-3836

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.

Published: 2009-11-02 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

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.

Exploit prediction scoring system (EPSS) score for CVE-2009-3836

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)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-3836

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.1 2.0 MEDIUM
AV:A/AC:L/Au:N/C:N/I:N/A:C Click to expand
Access vector (AV:A)
Requires access to an adjacent network segment.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:C)
Complete availability impact.
6.5 6.9 [email protected]

Weakness enumeration for CVE-2009-3836

Affected software / configurations for CVE-2009-3836

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:*:*:*:*:*:*:*:*

References for CVE-2009-3836

cvelogic Threat Intelligence