Freertos Freertos-Plus-TCP vulnerabilities

2 CVEs affecting Freertos Freertos-Plus-TCP, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-102552, published 2026-10-16.

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Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2026-102551, published 2026-10-16. High severity, CVSS 7.7. EPSS: 0.3% chance of exploitation in the next 30 days. 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…
• CVE-2026-102552, published 2026-10-16. Medium severity, CVSS 5.9. EPSS: 0.2% chance of exploitation in the next 30 days. Improper verification of the source of a communication channel in the DNS resolver in Amazon FreeRTOS-Plus-TCP before V4.4.2 might allow remote third-party to insert a chosen address into the…