What’s Vulnerable › Vulnerabilities

CVE-2016-9194

• Severity: medium (CVSS 6.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-04-06 · updated 2026-06-17
• Weakness: CWE-399

Description

A vulnerability in 802.11 Wireless Multimedia Extensions (WME) action frame processing in Cisco Wireless LAN Controller (WLC) Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition. The vulnerability is due to incomplete input validation of the 802.11 WME packet header. An attacker could exploit this vulnerability by sending malformed 802.11 WME frames to a targeted device. A successful exploit could allow the attacker to cause the WLC to reload unexpectedly. The fixed versions are 8.0.140.0, 8.2.130.0, and 8.3.111.0. Cisco Bug IDs: CSCva86353.

Affected products

• Cisco Wireless Lan Controller: 5.2.157.0, 5.2.169.0, 6.0_base, 7.0_base, 7.1_base, 7.2_base (+30)
• Cisco Wireless Lan Controller 6.0: 182.0, 188.0, 196.0, 199.4, 202.0
• Cisco Wireless Lan Controller 7.0: 98.0, 98.218, 116.0, 220.0, 240.0, 250.0 (+1)
• Cisco Wireless Lan Controller 7.1: 91.0
• Cisco Wireless Lan Controller 7.2: 103.0
• Cisco Wireless Lan Controller 7.4: 1.19, 1.54, 140.0

References

• http://www.securityfocus.com/bid/97424
• http://www.securitytracker.com/id/1038182
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170405-wlc
• http://www.securityfocus.com/bid/97424
• http://www.securitytracker.com/id/1038182
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170405-wlc

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