CVE-2025-11617 – Buffer Over-read when receiving IPv6 packets with incorrect payload length in FreeRTOS-Plus-TCP

CVE ID : CVE-2025-11617

Published : Oct. 10, 2025, 6:15 p.m. | 23 minutes ago

Description : A missing validation check in FreeRTOS-Plus-TCP’s IPv6 packet processing code can lead to an out-of-bounds read when receiving a IPv6 packet with incorrect payload lengths in the packet header. This issue only affects applications using IPv6.

We recommend users upgrade to the latest version and ensure any forked or derivative code is patched to incorporate the new fixes.

Severity: 5.4 | MEDIUM

Visit the link for more details, such as CVSS details, affected products, timeline, and more…