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CVE-2026-7425

Out-of-Bounds Read in Router Advertisement Option Parser in FreeRTOS-Plus-TCP

CVSS 6 MEDIUMEPSS 0.2%CWE-125
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. To mitigate this issue, users should upgrade to the fixed version when available.
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
Productos afectados
AWS · FreeRTOS-Plus-TCP

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Referencias
https://aws.amazon.com/security/security-bulletins/2026-023-aws/https://github.com/FreeRTOS/FreeRTOS-Plus-TCP/releases/tag/V4.2.6https://github.com/FreeRTOS/FreeRTOS-Plus-TCP/releases/tag/V4.4.1https://github.com/FreeRTOS/FreeRTOS-Plus-TCP/security/advisories/GHSA-gffr-xgjg-jh9j