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5.9 Medium

CVE-2026-102552 Improper verification of the source of a communication channel in the DNS resolver in Amazon FreeRTOS-Plus-TCP before…

Description

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.

Affected products and versions

Product Affected versions Fixed in
FreeRTOS-Plus-TCP 4.4 earliest → 4.4.1 No fix stated

Other CVEs of FreeRTOS-Plus-TCP

The 3 CVEs of FreeRTOS-Plus-TCP →
CVE-2026-102551 Improper verification of the source of a communication channel in the IPv6 Router Advertisement handler in Amazon… 7.7 High CVE-2024-38373 FreeRTOS-Plus-TCP is a lightweight TCP/IP stack for FreeRTOS 9.6 Critical
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