CVE-2025-20262 Cisco Nexus 3000 and 9000 Series Switches Protocol Independent Multicast Version 6 Denial of Service Vulnerability

A vulnerability in the Protocol Independent Multicast Version 6 PIM6 feature of Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches in standalone NX-OS mode could allow an authenticated, low-privileged, remote attacker to trigger a crash of the PIM6 process, resulting in a denia...

CVE-2025-20262

CVE-2025-20262 affects Cisco Nexus 3000/9000 NX-OS standalone in PIM6. The issue arises from improper processing of PIM6 ephemeral data queries, allowing an authenticated, low-privileged remote attacker to crash the PIM6 process and cause DoS via adjacency flaps and DoS of PIM6/ephemeral query pr...

PT-2025-34888 · Cisco · Cisco Nexus 3000 Series Switches +1

Name of the Vulnerable Software and Affected Versions: Cisco Nexus 3000 Series Switches Cisco Nexus 9000 Series Switches Description: A vulnerability in the Protocol Independent Multicast Version 6 PIM6 feature could allow an authenticated, low-privileged, remote attacker to trigger a crash of th...