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 before 3.2 20070727, 4.0 before 20070727, and 4.1 before 4.1.180.0 allows remote attackers to cause a denial of service (traffic amplification or ARP storm) via a crafted unicast ARP request that (1) has a destination MAC address unknown to the Layer-2 infrastructure, aka CSCsj69233; or (2) occurs during Layer-3 roaming across IP subnets, aka CSCsj70841.
Why it matters now
EPSS 0.0163 76th 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-2007-4011
- 2026-10-03 Alias added: GHSA-34j4-qq2w-hcmw
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-2007-4011 · CVE Program
- CVE-2007-4011 · NVD
- FIRST EPSS
- GHSA-34j4-qq2w-hcmw · 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