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Vulnerability record · CVE-2009-2976 · published 27 August 2009

CVE-2009-2976: Cisco aironet ap1100 vulnerability

Cisco · Aironet Ap1100

Cisco Aironet Lightweight Access Point (AP) devices send the contents of certain multicast data frames in cleartext, which allows remote attackers to discover Wireless LAN Controller MAC addresses and IP addresses, and AP configuration details, by sniffing the wireless network.

7.8 CVSS 2.0 High EPSS 1.4% · top 28.4% CWE-310 · CWE-310
7.8CVSS 2.0 base score
1.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
6References
16 Jun 2026Last modified by NVD

Description

Cisco Aironet Lightweight Access Point (AP) devices send the contents of certain multicast data frames in cleartext, which allows remote attackers to discover Wireless LAN Controller MAC addresses and IP addresses, and AP configuration details, by sniffing the wireless network.

AV:N/AC:L/Au:N/C:C/I:N/A:N

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://securitytracker.com/id?1022774
http://www.airmagnet.com/assets/AM_Technote_SkyJack_082509.pdf
http://www.airmagnet.com/news/press_releases/2009/08252009.php
http://securitytracker.com/id?1022774
http://www.airmagnet.com/assets/AM_Technote_SkyJack_082509.pdf
http://www.airmagnet.com/news/press_releases/2009/08252009.php

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.8CVE-2012-1350Cisco ios vulnerabilityCisco IOS 12.3 and 12.4 on Aironet access points allows remote attackers to cause a denial of service (radio-interface input-queue hang) via IAPP 0x3…EPSS 1.9%7.3CVE-2009-2861Cisco aironet ap1100 vulnerabilityThe Over-the-Air Provisioning (OTAP) functionality on Cisco Aironet Lightweight Access Point 1100 and 1200 devices does not properly implement access…EPSS 1.0%5.5CVE-2006-0354Cisco aironet ap1100 vulnerabilityCisco IOS before 12.3-7-JA2 on Aironet Wireless Access Points (WAP) allows remote authenticated users to cause a denial of service (termination of pa…EPSS 10%5.0CVE-2005-3482Cisco aironet ap1131 vulnerabilityCisco 1200, 1131, and 1240 series Access Points, when operating in Lightweight Access Point Protocol (LWAPP) mode and controlled by 2000 and 4400 ser…EPSS 1.6%5.0CVE-2005-0356TCP PAWS timestamp handling allows remote connection lossMultiple TCP implementations that enable the timestamps option with Protection Against Wrapped Sequence Numbers (PAWS) can be forced to discard valid…EPSS 83%analysed

Source: NIST National Vulnerability Database (record CVE-2009-2976), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.