CVE-2026-7423 | AWS FreeRTOS-Plus-TCP up to 4.2.5/4.4.0 Packet Length integer underflow

A vulnerability was found in AWS FreeRTOS-Plus-TCP up to 4.2.5/4.4.0. It has been rated as problematic. This issue affects some unknown processing of the component Packet Length Handler. This manipulation causes integer underflow.

The identification of this vulnerability is CVE-2026-7423. The attack needs to be done within the local network. There is no exploit available.

Upgrading the affected component is advised.VulDB Recent EntriesRead More