Threats Tagged 'cve-2026-7422'
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Threats Tagged 'cve-2026-7422'
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CVE-2026-7422: CWE-290: Authentication Bypass by Spoofing in AWS FreeRTOS-Plus-TCPCVE-2026-7422 0 CVE-2026-7422 is an authentication bypass vulnerability in AWS FreeRTOS-Plus-TCP versions before 4.2.6 and 4.4.1. It occurs due to insufficient packet validation that allows an adjacent network actor to spoof the Ethernet source MAC address to match a device's own registered endpoint. This spoofing bypasses checksum and minimum-size validation because the loopback detection mechanism skips input validation for packets with source MAC addresses matching local endpoints. The vulnerability has a medium severity with a CVSS score of 6.5. AWS manages remediation for this cloud-hosted service, and users should upgrade to fixed versions when available. Join the discussion | CVE Database V5 | 04/29/2026, 18:35:33 UTC Added: 04/29/2026, 19:06:24 UTC |
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