{"id":"CVE-2026-7425","state":"PUBLISHED","title":"Out-of-Bounds Read in Router Advertisement Option Parser in FreeRTOS-Plus-TCP","description":"Insufficient option length validation in the IPv6 Router Advertisement parser in FreeRTOS-Plus-TCP before V4.2.6 and V4.4.1 allows an adjacent network actor to cause a denial of service (device crash) by sending a crafted Router Advertisement with a truncated PREFIX_INFORMATION option that is smaller than the expected structure size.\n\n\n\nTo mitigate this issue, users should upgrade to the fixed version when available.","publishedAt":"2026-04-29T18:52:36.439Z","updatedAt":"2026-04-29T22:14:08.753Z","severity":{"score":6,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","source":"AMZN"},"assigner":"AMZN","products":["AWS 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