Vulnerability Description
A missing validation check in FreeRTOS-Plus-TCP's ICMPv6 packet processing code can lead to an out-of-bounds read when receiving ICMPv6 packets of certain message types which are smaller than the expected size. These issues only affect applications using IPv6. Users should upgrade to the latest version and ensure any forked or derivative code is patched to incorporate the new fixes.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Amazon | Freertos-Plus-Tcp | >= 4.0.0, < 4.3.4 |
Related Weaknesses (CWE)
References
- https://aws.amazon.com/security/security-bulletins/AWS-2025-023/Vendor Advisory
- https://github.com/FreeRTOS/FreeRTOS-Plus-TCP/releases/tag/V4.3.4Release Notes
- https://github.com/FreeRTOS/FreeRTOS-Plus-TCP/security/advisories/GHSA-8j9h-xjm9Vendor Advisory
FAQ
What is CVE-2025-11616?
CVE-2025-11616 is a vulnerability with a CVSS score of 5.4 (MEDIUM). A missing validation check in FreeRTOS-Plus-TCP's ICMPv6 packet processing code can lead to an out-of-bounds read when receiving ICMPv6 packets of certain message types which are smaller than the expe...
How severe is CVE-2025-11616?
CVE-2025-11616 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-11616?
Check the references section above for vendor advisories and patch information. Affected products include: Amazon Freertos-Plus-Tcp.