CVE-2025-11617

MEDIUM

Amazon Freertos-plus-tcp < 4.3.4 - Buffer Over-read

Title source: rule
STIX 2.1

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.

References (3)

Scores

CVSS v3 5.4
EPSS 0.0006
EPSS Percentile 17.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-126
Status published
Products (1)
amazon/freertos-plus-tcp 4.0.0 - 4.3.4
Published Oct 10, 2025
Tracked Since Feb 18, 2026