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CVE-2026-102551

9.2 critical SSVC exploitation: none Published
NVD · CVE.org

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.

Fix

Vendor advisories in the News 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 2

  1. StatusAwaiting Analysis → PublishedNVD modified 2026-10-19 12:51
  2. First seenCVSS 9.2NVD modified 2026-10-19 13:16

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 3