PT-2026-115998 · Freertos · Freertos-Plus-Tcp

Causal Security

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CVE-2026-102552

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Published

2026-10-16

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Updated

2026-10-16

CVSS v3.1

5.9

Medium

VectorAV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Improper verification of the source of a communication channel in the DNS resolver in Amazon FreeRTOS-Plus-TCP before V4.4.2 might allow remote third-party to insert a chosen address into the device's DNS cache via a forged DNS reply.
To remediate this issue, users should upgrade to version V4.4.2 and enable ipconfigDNS CHECK REPLY SOURCE IP.

Fix

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Weakness Enumeration

CWE-940

Related Identifiers

CVE-2026-102552

Affected Products

Freertos-Plus-Tcp