https://cve.radiocsirt.org/rss/recent/all/10 Most recent entries from all 2026-10-04T08:02:52.571145+00:00 Vulnerability-Lookup csirt@opendfir.org python-feedgen Contains only the most 10 recent entries. https://cve.radiocsirt.org/vuln/cve-2021-27862 CVE-2021-27862 — L2 network filtering bypass using stacked VLAN0 and LLC/SNAP headers with an invalid length during Ethernet to Wifi fra… 2026-10-04T08:02:52.586360+00:00

Affected: IEEE 802.2, IETF draft-ietf-v6ops-ra-guard-08

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).