The administrative web interface on the Cisco Wireless LAN Controller (WLC) platform 4.x…
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- 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
The administrative web interface 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 cause a denial of service (device reload) via a crafted (1) HTTP or (2) HTTPS request, aka Bug ID CSCsy27708.
Why it matters now
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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2009-1166
- 2026-10-03 Alias added: GHSA-v2jh-2f88-8jr3
References
More Cisco Catalyst vulnerabilities
- TI-2005-04003 Unspecified Cisco Catalyst Switches allow remote attackers to cause a denial of service… CVSS 2.0HIGH 7.8
- TI-2005-01837 Cisco switches that support 802.1x security allow remote attackers to bypass port… CVSS 2.0HIGH 7.5
Sources
- CVE-2009-1166 · CVE Program
- CVE-2009-1166 · NVD
- FIRST EPSS
- GHSA-v2jh-2f88-8jr3 · 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