https://patchthecve.com/CVEs with upgrade or downgrade fix stepshttps://patchthecve.com/cve/CVE-2022-47522.htmlhttps://patchthecve.com/cve/CVE-2022-47522.htmlWed, 17 Jun 2026 05:13:49 +0000HIGH 7.5: The IEEE 802.11 specifications through 802.11ax allow physically proximate attackers to intercept (possibly cleartext) target-destined frames by spoofing a target's MAC address, sending Power Save frames to the access point, and then sending other frames to the access point (such as authentication fhttps://patchthecve.com/cve/CVE-2021-27862.htmlhttps://patchthecve.com/cve/CVE-2021-27862.htmlWed, 17 Jun 2026 03:45:32 +0000MEDIUM 4.7: 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).https://patchthecve.com/cve/CVE-2021-27861.htmlhttps://patchthecve.com/cve/CVE-2021-27861.htmlWed, 17 Jun 2026 03:45:32 +0000MEDIUM 4.7: Layer 2 network filtering capabilities such as IPv6 RA guard can be bypassed using LLC/SNAP headers with invalid length (and optionally VLAN0 headers)https://patchthecve.com/cve/CVE-2021-27854.htmlhttps://patchthecve.com/cve/CVE-2021-27854.htmlWed, 17 Jun 2026 03:45:31 +0000MEDIUM 4.7: Layer 2 network filtering capabilities such as IPv6 RA guard can be bypassed using combinations of VLAN 0 headers, LLC/SNAP headers, and converting frames from Ethernet to Wifi and its reverse.https://patchthecve.com/cve/CVE-2021-27853.htmlhttps://patchthecve.com/cve/CVE-2021-27853.htmlWed, 17 Jun 2026 03:45:31 +0000MEDIUM 4.7: Layer 2 network filtering capabilities such as IPv6 RA guard or ARP inspection can be bypassed using combinations of VLAN 0 headers and LLC/SNAP headers.