Cisco 4100 and 4400, Airespace 4000, and Catalyst 6500 and 3750 Wireless LAN Controller…
Priority LOW 35Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.01684 77th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 10
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:h:cisco:4100_wireless_lan_controller:*:*:*:*:*:*:*:* | all versions | Running on | Cisco |
| cpe:2.3:h:cisco:4400_wireless_lan_controller:*:*:*:*:*:*:*:* | all versions | Running on | Cisco |
| cpe:2.3:h:cisco:airespace_4000_wireless_lan_controller:*:*:*:*:*:*:*:* | all versions | Running on | Cisco |
| cpe:2.3:h:cisco:catalyst_3750:*:*:*:*:*:*:*:* | all versions | Running on | Cisco |
| cpe:2.3:h:cisco:catalyst_6500:*:*:*:*:*:*:*:* | all versions | Running on | Cisco |
| cpe:2.3:o:cisco:wireless_lan_controller_software:3.2:*:*:*:*:*:*:* | 3.2 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:wireless_lan_controller_software:3.2.116.21:*:*:*:*:*:*:* | 3.2.116.21 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:wireless_lan_controller_software:4.0:*:*:*:*:*:*:* | 4.0 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:wireless_lan_controller_software:4.0.155.0:*:*:*:*:*:*:* | 4.0.155.0 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:wireless_lan_controller_software:4.1:*:*:*:*:*:*:* | 4.1 | Vulnerable | Cisco |
- cpe:2.3:h:cisco:4100_wireless_lan_controller:*:*:*:*:*:*:*:* Versions all versions Running on ·Cisco
- cpe:2.3:h:cisco:4400_wireless_lan_controller:*:*:*:*:*:*:*:* Versions all versions Running on ·Cisco
- cpe:2.3:h:cisco:airespace_4000_wireless_lan_controller:*:*:*:*:*:*:*:* Versions all versions Running on ·Cisco
- cpe:2.3:h:cisco:catalyst_3750:*:*:*:*:*:*:*:* Versions all versions Running on ·Cisco
- cpe:2.3:h:cisco:catalyst_6500:*:*:*:*:*:*:*:* Versions all versions Running on ·Cisco
- cpe:2.3:o:cisco:wireless_lan_controller_software:3.2:*:*:*:*:*:*:* Versions 3.2 Vulnerable ·Cisco
- cpe:2.3:o:cisco:wireless_lan_controller_software:3.2.116.21:*:*:*:*:*:*:* Versions 3.2.116.21 Vulnerable ·Cisco
- cpe:2.3:o:cisco:wireless_lan_controller_software:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·Cisco
- cpe:2.3:o:cisco:wireless_lan_controller_software:4.0.155.0:*:*:*:*:*:*:* Versions 4.0.155.0 Vulnerable ·Cisco
- cpe:2.3:o:cisco:wireless_lan_controller_software:4.1:*:*:*:*:*:*:* Versions 4.1 Vulnerable ·Cisco
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2007-4012
- 2026-10-03 Alias added: GHSA-q69v-9h9q-cr4v
References
Other 1
More Cisco Wireless Lan Controller Software vulnerabilities
- TI-2019-11388 Cisco Wireless LAN Controller HTTP Parsing Engine Denial of Service Vulnerability CVSS 3.1MEDIUM 6.5
- TI-2016-01254 Buffer overflow in the redirection functionality in Cisco Wireless LAN Controller (WLC)… CVSS 3.1CRITICAL 9.8
- TI-2018-00213 Resource management flaw in Cisco Wireless LAN Controller CVSS 3.0HIGH 8.6
- TI-2007-01958 The SNMP implementation in the Cisco Wireless LAN Controller (WLC) before 20070419 uses… CVSS 2.0HIGH 10.0
- TI-2015-05301 Cisco Wireless LAN Controller (WLC) devices with software 7.6.x, 8.0 before 8.0.121.0… CVSS 3.0CRITICAL 9.8
- TI-2014-00660 Cisco Wireless LAN Controller (WLC) devices 7.4 before 7.4.110.0 distribute Aironet IOS… CVSS 2.0HIGH 10.0
Sources
- CVE-2007-4012 · CVE Program
- CVE-2007-4012 · NVD
- FIRST EPSS
- GHSA-q69v-9h9q-cr4v · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences