Cisco IOS XE Wireless Controller software拒绝服务漏洞

Cisco IOS XE Wireless Controller software is a wireless LAN controller from Cisco, Inc. Cisco IOS XE Wireless Controller software, which provides a managed network function, suffers from a denial-of-service vulnerability that stems from inadequate validation of incoming CAPWAP packets encapsulating multicast DNS (mDNS) queries, which could be exploited by an attacker to cause a denial of service.