Security Advisory

CVE-2021-27862

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2022-09-27 18:40:14
Last updated 2025-11-04 19:12:28
Assigner certcc
State PUBLISHED

Description

Layer 2 network filtering capabilities such as IPv6 RA guard can be bypassed using LLC/SNAP headers with invalid length and Ethernet to Wifi frame conversion (and optionally VLAN0 headers).