CVE-2017-12280

A vulnerability in the Control and Provisioning of Wireless Access Points (CAPWAP) Discovery Request parsing functionality of Cisco Wireless LAN Controllers could allow an unauthenticated, remote attacker to cause an affected device to restart unexpectedly, resulting in a denial of service (DoS) condition. The vulnerability is due to incomplete input validation of fields in CAPWAP Discovery Request packets by the affected device. An attacker could exploit this vulnerability by sending crafted CAPWAP Discovery Request packets to an affected device. A successful exploit could allow the attacker to cause the affected device to restart unexpectedly, resulting in a DoS condition. Cisco Bug IDs: CSCvb95842.

• CWE-119
• CWE-119

• http://www.securityfocus.com/bid/101646Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1039723Third Party Advisory, VDB Entry
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171101-wlc3Vendor Advisory
• http://www.securityfocus.com/bid/101646Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1039723Third Party Advisory, VDB Entry
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171101-wlc3Vendor Advisory

Published

Nov 2, 2017

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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