CVE-2026-7422 MAC Address Validation Bypass in FreeRTOS-Plus-TCP IPv4 and IPv6 Packet Processing

Insufficient packet validation in FreeRTOS-Plus-TCP before V4.2.6 and V4.4.1 allows an adjacent network actor to bypass all checksum and minimum-size validation by spoofing the Ethernet source MAC address to match one of the device's own registered endpoints, because the loopback detection...

The vulnerability of DHCP Snooping on Cisco IOS XE operating systems allows a intruder to trigger a service failure.

The vulnerability of DHCP Snooping in Cisco IOS XE operating systems is related to a logical priority error during the processing of IPv4 packets. Exploiting this vulnerability allows an attacker to cause service interruptions by sending specially crafted packets remotely...

Cisco Catalyst 3850 and Catalyst 3650 Series Switches IOS XE Software Denial of Service Vulnerability

The Cisco Catalyst 3850 and Catalyst 3650 Series Switches are both different families of switching devices from Cisco, Inc.IOS XE Software is a set of operating systems running on them that is specific to Cisco devices. A denial of service vulnerability exists in the IP version 4 IPv4 processing...