Cisco IOS XE Software Extensible Messaging Client Protocol DoS (cisco-sa-ios-xmcp-thbAr34t)

According to its self-reported version, Cisco IOS-XE Software is affected by a denial of service vulnerability. A flaw exists in the Extensible Messaging Client Protocol XMCP due to improper handling of malformed XMCP packets. An unauthenticated, remote attacker can exploit this issue, via a...

EUVD-2026-53467

A vulnerability in the Extensible Messaging Client Protocol XMCP, also referred to as the External Client protocol, of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability ...