Unrated severityNVD Advisory· Published Oct 10, 2025· Updated Oct 10, 2025
Buffer Over-read when receiving IPv6 packets with incorrect payload length in FreeRTOS-Plus-TCP
CVE-2025-11617
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- AWS/FreeRTOS-Plus-TCPv5Range: 4.0.0
Patches
Vulnerability mechanics
References
3- github.com/FreeRTOS/FreeRTOS-Plus-TCP/releases/tag/V4.3.4mitrepatchproduct
- aws.amazon.com/security/security-bulletins/AWS-2025-023/mitrevendor-advisory
- github.com/FreeRTOS/FreeRTOS-Plus-TCP/security/advisories/GHSA-wmjr-wm93-cvv2mitrethird-party-advisory
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