CVE Tools
Sign in

CVE-2009-1166

Published: Jul 29, 2009Updated: Apr 23, 2026 Sources: CVE List NVDNVD-CWE-Other
7.8HIGH
NVD MITRE
EPSS Score
1.6%
Top 26.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

Description

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LAu:NC:NI:NA:C
Exploitability
AV:NAccess Vector
Network
AC:LAccess Complexity
Low
Au:NAuthentication
None
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:CAvailability
Complete
Open in CVSS calculator →

Weaknesses

NVD-CWE-Other

Affected Products

cisco
commercial·USaka cisco systems, cisco systems inc.
catalyst
Networking Infrastructure
and 1 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2009-1166?We can run the check for you — a free external exposure review, no install. Check my exposure

References

http://www.cisco.com/en/US/products/products_security_advisory09186a0080adb3d7.shtml
cisco.com
http://www.securitytracker.com/id?1022605
securitytracker.com
http://www.vupen.com/english/advisories/2009/2021
vupen.com

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2009-1166 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows