Unspecified vulnerability on the Cisco Wireless LAN Controller (WLC) platform 4.x before 4.2.205.0 and 5.x before 5.2.191.0, as used in Cisco 1500 Series, 2000 Series, 2100 Series, 4100 Series, 4200 Series, and 4400 Series Wireless Services Modules (WiSM), WLC Modules for Integrated Services Routers, and Catalyst 3750G Integrated Wireless LAN Controllers, allows remote attackers to modify the configuration via a crafted (1) HTTP or (2) HTTPS request, aka Bug ID CSCsy44672.
Conclusion & alert: CVE-2009-1167 is rated High Risk (69.5/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 2.15%). Core evidence: EPSS rose +1.64% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize 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 | 0.50% | 2.15% | +1.64% |
| 2 | 2025-12-18 | 0.57% | 0.50% | -0.06% |
| 3 | 2025-03-30 | — | 0.57% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| cisco | catalyst_3750g | — | cpe:2.3:h:cisco:catalyst_3750g:*:*:*:*:*:*:*:* |
| cisco | cisco_1500_wireless_lan_controller | 4.1 | cpe:2.3:h:cisco:cisco_1500_wireless_lan_controller:4.1:*:*:*:*:*:*:* |
| cisco | cisco_1500_wireless_lan_controller | 4.1m | cpe:2.3:h:cisco:cisco_1500_wireless_lan_controller:4.1m:*:*:*:*:*:*:* |
| cisco | cisco_1500_wireless_lan_controller | 4.2 | cpe:2.3:h:cisco:cisco_1500_wireless_lan_controller:4.2:*:*:*:*:*:*:* |
| cisco | cisco_1500_wireless_lan_controller | 5.0 | cpe:2.3:h:cisco:cisco_1500_wireless_lan_controller:5.0:*:*:*:*:*:*:* |
| cisco | cisco_1500_wireless_lan_controller | 5.1 | cpe:2.3:h:cisco:cisco_1500_wireless_lan_controller:5.1:*:*:*:*:*:*:* |
| cisco | cisco_1500_wireless_lan_controller | 5.2 | cpe:2.3:h:cisco:cisco_1500_wireless_lan_controller:5.2:*:*:*:*:*:*:* |
| cisco | cisco_2000_wireless_lan_controller | 4.1 | cpe:2.3:h:cisco:cisco_2000_wireless_lan_controller:4.1:*:*:*:*:*:*:* |
| cisco | cisco_2000_wireless_lan_controller | 4.1m | cpe:2.3:h:cisco:cisco_2000_wireless_lan_controller:4.1m:*:*:*:*:*:*:* |
| cisco | cisco_2000_wireless_lan_controller | 4.2 | cpe:2.3:h:cisco:cisco_2000_wireless_lan_controller:4.2:*:*:*:*:*:*:* |
| cisco | cisco_2000_wireless_lan_controller | 5.0 | cpe:2.3:h:cisco:cisco_2000_wireless_lan_controller:5.0:*:*:*:*:*:*:* |
| cisco | cisco_2000_wireless_lan_controller | 5.1 | cpe:2.3:h:cisco:cisco_2000_wireless_lan_controller:5.1:*:*:*:*:*:*:* |
| cisco | cisco_2000_wireless_lan_controller | 5.2 | cpe:2.3:h:cisco:cisco_2000_wireless_lan_controller:5.2:*:*:*:*:*:*:* |
| cisco | cisco_2100_wireless_lan_controller | 4.1 | cpe:2.3:h:cisco:cisco_2100_wireless_lan_controller:4.1:*:*:*:*:*:*:* |
| cisco | cisco_2100_wireless_lan_controller | 4.1m | cpe:2.3:h:cisco:cisco_2100_wireless_lan_controller:4.1m:*:*:*:*:*:*:* |
| cisco | cisco_2100_wireless_lan_controller | 4.2 | cpe:2.3:h:cisco:cisco_2100_wireless_lan_controller:4.2:*:*:*:*:*:*:* |
| cisco | cisco_2100_wireless_lan_controller | 5.0 | cpe:2.3:h:cisco:cisco_2100_wireless_lan_controller:5.0:*:*:*:*:*:*:* |
| cisco | cisco_2100_wireless_lan_controller | 5.1 | cpe:2.3:h:cisco:cisco_2100_wireless_lan_controller:5.1:*:*:*:*:*:*:* |
| cisco | cisco_2100_wireless_lan_controller | 5.2 | cpe:2.3:h:cisco:cisco_2100_wireless_lan_controller:5.2:*:*:*:*:*:*:* |
| cisco | cisco_4100_wireless_lan_controller | 4.1 | cpe:2.3:h:cisco:cisco_4100_wireless_lan_controller:4.1:*:*:*:*:*:*:* |
| cisco | cisco_4100_wireless_lan_controller | 4.1m | cpe:2.3:h:cisco:cisco_4100_wireless_lan_controller:4.1m:*:*:*:*:*:*:* |
| cisco | cisco_4100_wireless_lan_controller | 4.2 | cpe:2.3:h:cisco:cisco_4100_wireless_lan_controller:4.2:*:*:*:*:*:*:* |
| cisco | cisco_4100_wireless_lan_controller | 5.0 | cpe:2.3:h:cisco:cisco_4100_wireless_lan_controller:5.0:*:*:*:*:*:*:* |
| cisco | cisco_4100_wireless_lan_controller | 5.1 | cpe:2.3:h:cisco:cisco_4100_wireless_lan_controller:5.1:*:*:*:*:*:*:* |
| cisco | cisco_4100_wireless_lan_controller | 5.2 | cpe:2.3:h:cisco:cisco_4100_wireless_lan_controller:5.2:*:*:*:*:*:*:* |
| cisco | cisco_4200_wireless_lan_controller | 4.1 | cpe:2.3:h:cisco:cisco_4200_wireless_lan_controller:4.1:*:*:*:*:*:*:* |
| cisco | cisco_4200_wireless_lan_controller | 4.1m | cpe:2.3:h:cisco:cisco_4200_wireless_lan_controller:4.1m:*:*:*:*:*:*:* |
| cisco | cisco_4200_wireless_lan_controller | 4.2 | cpe:2.3:h:cisco:cisco_4200_wireless_lan_controller:4.2:*:*:*:*:*:*:* |
| cisco | cisco_4200_wireless_lan_controller | 5.0 | cpe:2.3:h:cisco:cisco_4200_wireless_lan_controller:5.0:*:*:*:*:*:*:* |
| cisco | cisco_4200_wireless_lan_controller | 5.1 | cpe:2.3:h:cisco:cisco_4200_wireless_lan_controller:5.1:*:*:*:*:*:*:* |
| cisco | cisco_4200_wireless_lan_controller | 5.2 | cpe:2.3:h:cisco:cisco_4200_wireless_lan_controller:5.2:*:*:*:*:*:*:* |
| cisco | cisco_4400_wireless_lan_controller | 4.1 | cpe:2.3:h:cisco:cisco_4400_wireless_lan_controller:4.1:*:*:*:*:*:*:* |
| cisco | cisco_4400_wireless_lan_controller | 4.1m | cpe:2.3:h:cisco:cisco_4400_wireless_lan_controller:4.1m:*:*:*:*:*:*:* |
| cisco | cisco_4400_wireless_lan_controller | 4.2 | cpe:2.3:h:cisco:cisco_4400_wireless_lan_controller:4.2:*:*:*:*:*:*:* |
| cisco | cisco_4400_wireless_lan_controller | 5.0 | cpe:2.3:h:cisco:cisco_4400_wireless_lan_controller:5.0:*:*:*:*:*:*:* |
| cisco | cisco_4400_wireless_lan_controller | 5.1 | cpe:2.3:h:cisco:cisco_4400_wireless_lan_controller:5.1:*:*:*:*:*:*:* |
| cisco | cisco_4400_wireless_lan_controller | 5.2 | cpe:2.3:h:cisco:cisco_4400_wireless_lan_controller:5.2:*:*:*:*:*:*:* |