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CVE-2009-1164

HIGH · CVSS 7.8EPSS 1.4%EU EUVD

The administrative web interface on the Cisco Wireless LAN Controller (WLC) platform 4.2 before 4.2.205.0 and 5.x before 5.2.178.0, 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 malformed response to a (1) HTTP or (2) HTTPS authentication request, aka Bug ID CSCsx03715.

Key facts

CVSS score
7.8 (v2.0)
Severity
HIGH
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:C
Weakness (CWE)
CWE-399
EPSS score
1.4% (72th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2009-1164)
Published
July 29, 2009
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2009-1164 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

  • cisco / catalyst 3750g
  • cisco / cisco 1500 wireless lan controller
  • cisco / cisco 1500 wireless lan controller
  • cisco / cisco 1500 wireless lan controller
  • cisco / cisco 1500 wireless lan controller
  • cisco / cisco 2000 wireless lan controller
  • cisco / cisco 2000 wireless lan controller
  • cisco / cisco 2000 wireless lan controller
  • cisco / cisco 2000 wireless lan controller
  • cisco / cisco 2100 wireless lan controller
  • cisco / cisco 2100 wireless lan controller
  • cisco / cisco 2100 wireless lan controller
  • cisco / cisco 2100 wireless lan controller
  • cisco / cisco 4100 wireless lan controller
  • cisco / cisco 4100 wireless lan controller
  • cisco / cisco 4100 wireless lan controller
  • cisco / cisco 4100 wireless lan controller
  • cisco / cisco 4200 wireless lan controller
  • cisco / cisco 4200 wireless lan controller
  • cisco / cisco 4200 wireless lan controller
  • cisco / cisco 4200 wireless lan controller
  • cisco / cisco 4400 wireless lan controller
  • cisco / cisco 4400 wireless lan controller
  • cisco / cisco 4400 wireless lan controller
  • cisco / cisco 4400 wireless lan controller

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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