Disclosure summary
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.
Source-reported weakness categories
CWE-126
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
NIST National Vulnerability Database · NVD-CVE-2025-11617
Open original source · Updated Oct 08, 2026
Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.
| Vendor | Product / association | Version / bounds |
|---|---|---|
| amazon | freertos-plus-tcp | * {"versionStartIncluding":"4.0.0","versionEndExcluding":"4.3.4"} |
Original records & references
- NIST NVD record
- CVE Program record
- aws.amazon.com — Vendor Advisory
- github.com — Release Notes
- github.com — Vendor Advisory
PUBLISHED 2025-10-10T14:15:38-04:00
MODIFIED 2026-10-08T09:10:00-04:00
INGESTED 2026-10-08T12:30:37-04:00