Cisco Wireless LAN Controller (WLC) devices with software 7.4(1.1) allow remote attackers to cause a denial of service (wireless-networking outage) via crafted TCP traffic on the local network, aka Bug ID CSCug67104.
Conclusion & alert: CVE-2015-0756 is rated Moderate Risk (42/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.73%). 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 | 0.36% | 0.73% | +0.37% |
| 2 | 2025-03-17 | 0.11% | 0.36% | +0.25% |
| 3 | 2023-03-07 | — | 0.11% | — |
Full EPSS history (4 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 |
|---|---|---|---|
| cisco | wireless_lan_controller | 7.4\(1.1\) | cpe:2.3:a:cisco:wireless_lan_controller:7.4\(1.1\):*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://tools.cisco.com/security/center/viewAlert.x?alertId=39041 | Vendor Advisory |
| http://www.securitytracker.com/id/1032419 | Third Party Advisory VDB Entry |