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CVE-2026-7422

MEDIUM

6.5

Descricao

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 mechanism skips all input validation for packets whose source MAC matches a local endpoint. To mitigate this issue, users should upgrade to the fixed version when available.

Detalhes CVE

Pontuacao CVSS v3.16.5

SeveridadeMEDIUM

Vetor CVSSCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Vetor de ataqueADJACENT_NETWORK

ComplexidadeLOW

Privilegios necessariosNONE

Interacao do usuarioNONE

Publicado4/29/2026

Ultima modificacao5/4/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

amazon:freertos-plus-tcp

Fraquezas (CWE)

CWE-290

Referencias

https://aws.amazon.com/security/security-bulletins/2026-021-aws/(ff89ba41-3aa1-4d27-914a-91399e9639e5)

https://github.com/FreeRTOS/FreeRTOS-Plus-TCP/releases/tag/V4.2.6(ff89ba41-3aa1-4d27-914a-91399e9639e5)

https://github.com/FreeRTOS/FreeRTOS-Plus-TCP/releases/tag/V4.4.1(ff89ba41-3aa1-4d27-914a-91399e9639e5)

https://github.com/FreeRTOS/FreeRTOS-Plus-TCP/security/advisories/GHSA-jpw4-6h59-62w9(ff89ba41-3aa1-4d27-914a-91399e9639e5)

Correlacoes IOC

Sem correlacoes registradas

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