Cisco Patches Vulnerability in IOS XR

Cisco has fixed a vulnerability in IOS XR, identified under the number CVE-2025-20115. This flaw allows an attacker to send a single BGP update message to cause the BGP process of the router to crash, resulting in a denial of service (DoS) attack. Technical details show that this vulnerability can be exploited by sending a specially crafted BGP message, which disrupts the normal operation of the router.