CVE-2007-4012

Cisco 4100 and 4400, Airespace 4000, and Catalyst 6500 and 3750 Wireless LAN Controller (WLC) software 4.1 before 4.1.180.0 allows remote attackers to cause a denial of service (ARP storm) via a broadcast ARP packet that "targets the IP address of a known client context", aka CSCsj50374.

Published: 2007-07-25 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2007-4012 is rated Moderate Risk (54.6/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.68%). 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-2007-4012

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 1.33% 1.68% +0.36%
2 2026-05-06 1.07% 1.33% +0.25%
3 2026-03-14 1.07%

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-4012

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.1 2.0 HIGH
AV:N/AC:M/Au:N/C:N/I:N/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
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.
8.6 6.9 [email protected]

Weakness enumeration for CVE-2007-4012

Affected software / configurations for CVE-2007-4012

Vendor Product Version Raw CPE
cisco wireless_lan_controller_software 3.2 cpe:2.3:o:cisco:wireless_lan_controller_software:3.2:*:*:*:*:*:*:*
cisco wireless_lan_controller_software 3.2.116.21 cpe:2.3:o:cisco:wireless_lan_controller_software:3.2.116.21:*:*:*:*:*:*:*
cisco wireless_lan_controller_software 4.0 cpe:2.3:o:cisco:wireless_lan_controller_software:4.0:*:*:*:*:*:*:*
cisco wireless_lan_controller_software 4.0.155.0 cpe:2.3:o:cisco:wireless_lan_controller_software:4.0.155.0:*:*:*:*:*:*:*
cisco wireless_lan_controller_software 4.1 cpe:2.3:o:cisco:wireless_lan_controller_software:4.1:*:*:*:*:*:*:*

References for CVE-2007-4012

cvelogic Threat Intelligence