CRITICAL 9.2 NVD
CVE-2026-102551
Improper verification of the source of a communication channel in the IPv6 Router Advertisement handler in Amazon FreeRTOS-Plus-TCP before V4.4.2 might allow a
Improper verification of the source of a communication channel in the IPv6 Router Advertisement handler in Amazon FreeRTOS-Plus-TCP before V4.4.2 might allow a remote third-party to influence an endpoint's IPv6 default gateway, on-link prefix, and address configuration via a crafted Router Advertisement.
To remediate this issue, users should upgrade to version V4.4.2.
References
- https://aws.amazon.com/security/security-bulletins/2026-139-aws/
- https://github.com/FreeRTOS/FreeRTOS-Plus-TCP/releases/tag/V4.4.2
- https://github.com/FreeRTOS/FreeRTOS-Plus-TCP/security/advisories/GHSA-pjq5-fqrr-g6pv
This critical severity vulnerability with a CVSS score of 9.2 was published on 2026-10-16 via NVD.
Risk Timeline
CVE Disclosed2026-10-16 · -1 days ago
Remediation Resources
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