CVE-2025-11617: A missing validation check in FreeRTOS-Plus-TCP's IPv6 packet processing code can lead to an out-of-bounds read when…
CVE-2025-11617 · Severity: medium · CVSS 5.4 · Published 2025-10-10
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.
No. Junglewise Threat Intelligence has no report of CVE-2025-11617 being exploited in the wild.
How severe is CVE-2025-11617?
Medium severity, with a CVSS score of 5.4, published 10 October 2025.
Which products and versions are affected?
Amazon Freertos-Plus-Tcp. The advisory does not name versions.
Is there a fix for CVE-2025-11617?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2025-11617?
Check whether you run Amazon Freertos-Plus-Tcp. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.