CVE-2016-1351

CVE-2016-1351 describes a denial-of-service vulnerability in the Locator/ID Separation Protocol (LISP) implementation within Cisco IOS (versions 15.1 and 15.2) and NX-OS (versions 4.1 through 6.2). A remote unauthenticated attacker can exploit this flaw by sending a specially crafted packet header, leading to a device reload. The vulnerability is rated as High severity (CVSS 7.5), indicating a network-based attack with low complexity, requiring no user interaction, and resulting in high availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or inclusion in the CISA KEV catalog, though it has received some community discussion and media coverage.