CVE-2009-1165: n/a vulnerability

CVE-2009-1165: Memory leak on the Cisco Wireless LAN Controller (WLC) platform 4.x before 4.2.205.0, 5.1 before 5.1.163.0,...

Memory leak on the Cisco Wireless LAN Controller (WLC) platform 4.x before 4.2.205.0, 5.1 before 5.1.163.0, and 5.0 and 5.2 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 (memory consumption and device reload) via SSH management connections, aka Bug ID CSCsw40789.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 7, 2024, 05:04 UTC (UTC+00:00)

Security readout for executives and security teams

This flaw can make affected legacy Cisco Wireless LAN Controllers run out of memory and reload when reached through SSH management connections. The business impact is a potential wireless controller outage, not data theft based on the supplied sources. Exposure is most likely in legacy Cisco WLC environments still running the affected 2009-era software and allowing SSH management access from reachable networks. Prioritize if legacy Cisco wireless controllers are still in production or management interfaces are broadly reachable. Otherwise, handle through legacy asset cleanup and routine network management hardening. Mitigation focus: Identify Cisco WLC software versions across all wireless controller assets.; Upgrade affected versions to Cisco fixed releases or later vendor-supported software.; Review the Cisco advisory for any model-specific remediation guidance..

Prepared: Jun 28, 2026, 10:26 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Jul 29, 2009, 17:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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1Source links

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Source materials

CVE List V5 sourceCVE List V5

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

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Weakness

CWE details

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