# Amazon Freertos-Plus-Tcp vulnerabilities Source: https://junglewise.ai/threats/technologies/amazon-freertos-plus-tcp Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/amazon-freertos-plus-tcp.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 10 vulnerabilities in Amazon Freertos-Plus-Tcp: 0 in the last 7 days and 2 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-102552, was published on 16 October 2026. 2 vulnerabilities in the last four weeks, up from none in the four before. ## Counts - Last 7 days: 0 - Last 30 days: 2 - Last 90 days: 2 - All time: 10 (0 critical, 0 exploited in the wild) ## About Amazon Freertos-Plus-Tcp TCP/IP network stack library for embedded systems and IoT applications. ## Latest Amazon Freertos-Plus-Tcp vulnerabilities - [CVE-2026-102552: Amazon FreeRTOS-Plus-TCP DNS resolver source verification bypass](https://junglewise.ai/threats/cve-2026-102552-improper-verification-of-the-source-of-a-communication-channel) (medium, CVSS 5.9, published 16 Oct 2026) - [CVE-2026-102551: FreeRTOS-Plus-TCP improper source verification in IPv6 Router Advertisement and DNS resolver](https://junglewise.ai/threats/cve-2026-102551-amp-issue-with-freertos-plus-tcp) (high, CVSS 7.7, published 16 Oct 2026) - [CVE-2026-7426: Insufficient validation of the prefix length field in IPv6 Router Advertisement processing in FreeRTOS-Plus-TCP before…](https://junglewise.ai/threats/cve-2026-7426-insufficient-validation-of-the-prefix-length-field-in-ipv6-router) (high, CVSS 8.1, published 29 Apr 2026) - [CVE-2026-7425: Amazon FreeRTOS-Plus-TCP memory safety issues in IPv6 Router Advertisement](https://junglewise.ai/threats/cve-2026-7425-amazon-freertos-plus-tcp-memory-safety-issues-in-ipv6-router) (high, CVSS 6.5, published 29 Apr 2026) - [CVE-2026-7424: Amazon FreeRTOS-Plus-TCP integer underflow in DHCPv6 parser](https://junglewise.ai/threats/cve-2026-7424-amazon-freertos-plus-tcp-integer-underflow-in-dhcpv6-parser) (high, CVSS 8.1, published 29 Apr 2026) - [CVE-2026-7423: Integer underflow in the ICMP and ICMPv6 echo reply handlers in FreeRTOS-Plus-TCP before V4.4.1 and V4.2.6 allows an…](https://junglewise.ai/threats/cve-2026-7423-integer-underflow-in-the-icmp-and-icmpv6-echo-reply-handlers-in) (medium, CVSS 5.3, published 29 Apr 2026) - [CVE-2026-7422: Amazon FreeRTOS-Plus-TCP multiple vulnerabilities in ICMP and packet validation](https://junglewise.ai/threats/cve-2026-7422-amazon-freertos-plus-tcp-multiple-vulnerabilities-in-icmp-and) (high, CVSS 6.5, published 29 Apr 2026) - [CVE-2025-11618: A missing validation check in FreeRTOS-Plus-TCP's UDP/IPv6 packet processing code can lead to an invalid pointer…](https://junglewise.ai/threats/cve-2025-11618-a-missing-validation-check-in-freertos-plus-tcp-s-udp-ipv6-packet) (medium, CVSS 4.3, published 10 Oct 2025) - [CVE-2025-11617: A missing validation check in FreeRTOS-Plus-TCP's IPv6 packet processing code can lead to an out-of-bounds read when…](https://junglewise.ai/threats/cve-2025-11617-a-missing-validation-check-in-freertos-plus-tcp-s-ipv6-packet) (medium, CVSS 5.4, published 10 Oct 2025) - [CVE-2025-11616: FreeRTOS-Plus-TCP multiple memory safety vulnerabilities in IPv6 stack](https://junglewise.ai/threats/cve-2025-11616-freertos-plus-tcp-multiple-memory-safety-vulnerabilities-in-ipv6) (high, CVSS 5.4, published 10 Oct 2025) ## Most severe Amazon Freertos-Plus-Tcp vulnerabilities - [CVE-2026-7426: Insufficient validation of the prefix length field in IPv6 Router Advertisement processing in FreeRTOS-Plus-TCP before…](https://junglewise.ai/threats/cve-2026-7426-insufficient-validation-of-the-prefix-length-field-in-ipv6-router) (high, CVSS 8.1, published 29 Apr 2026) - [CVE-2026-7424: Amazon FreeRTOS-Plus-TCP integer underflow in DHCPv6 parser](https://junglewise.ai/threats/cve-2026-7424-amazon-freertos-plus-tcp-integer-underflow-in-dhcpv6-parser) (high, CVSS 8.1, published 29 Apr 2026) - [CVE-2026-102551: FreeRTOS-Plus-TCP improper source verification in IPv6 Router Advertisement and DNS resolver](https://junglewise.ai/threats/cve-2026-102551-amp-issue-with-freertos-plus-tcp) (high, CVSS 7.7, published 16 Oct 2026) - [CVE-2026-7425: Amazon FreeRTOS-Plus-TCP memory safety issues in IPv6 Router Advertisement](https://junglewise.ai/threats/cve-2026-7425-amazon-freertos-plus-tcp-memory-safety-issues-in-ipv6-router) (high, CVSS 6.5, published 29 Apr 2026) - [CVE-2026-7422: Amazon FreeRTOS-Plus-TCP multiple vulnerabilities in ICMP and packet validation](https://junglewise.ai/threats/cve-2026-7422-amazon-freertos-plus-tcp-multiple-vulnerabilities-in-icmp-and) (high, CVSS 6.5, published 29 Apr 2026) - [CVE-2025-11616: FreeRTOS-Plus-TCP multiple memory safety vulnerabilities in IPv6 stack](https://junglewise.ai/threats/cve-2025-11616-freertos-plus-tcp-multiple-memory-safety-vulnerabilities-in-ipv6) (high, CVSS 5.4, published 10 Oct 2025) - [CVE-2026-102552: Amazon FreeRTOS-Plus-TCP DNS resolver source verification bypass](https://junglewise.ai/threats/cve-2026-102552-improper-verification-of-the-source-of-a-communication-channel) (medium, CVSS 5.9, published 16 Oct 2026) - [CVE-2025-11617: A missing validation check in FreeRTOS-Plus-TCP's IPv6 packet processing code can lead to an out-of-bounds read when…](https://junglewise.ai/threats/cve-2025-11617-a-missing-validation-check-in-freertos-plus-tcp-s-ipv6-packet) (medium, CVSS 5.4, published 10 Oct 2025) - [CVE-2026-7423: Integer underflow in the ICMP and ICMPv6 echo reply handlers in FreeRTOS-Plus-TCP before V4.4.1 and V4.2.6 allows an…](https://junglewise.ai/threats/cve-2026-7423-integer-underflow-in-the-icmp-and-icmpv6-echo-reply-handlers-in) (medium, CVSS 5.3, published 29 Apr 2026) - [CVE-2025-11618: A missing validation check in FreeRTOS-Plus-TCP's UDP/IPv6 packet processing code can lead to an invalid pointer…](https://junglewise.ai/threats/cve-2025-11618-a-missing-validation-check-in-freertos-plus-tcp-s-udp-ipv6-packet) (medium, CVSS 4.3, published 10 Oct 2025) ## Vulnerabilities per week 2 vulnerabilities in the last four weeks, up from none in the four before. | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 0 | 0 | 0 | | 21 Sep 2026 | 0 | 0 | 0 | | 28 Sep 2026 | 0 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 2 | 0 | 0 | | 19 Oct 2026 | 0 | 0 | 0 | | 26 Oct 2026 | 0 | 0 | 0 | | 2 Nov 2026 | 0 | 0 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## Other Amazon technologies - [Amazon AWS](https://junglewise.ai/threats/technologies/aws): 198 vulnerabilities - [Amazon FreeRTOS Kernel](https://junglewise.ai/threats/technologies/freertos-kernel): 7 vulnerabilities - [Amazon Athena Odbc](https://junglewise.ai/threats/technologies/athena-odbc): 6 vulnerabilities - [Amazon SageMaker Python SDK](https://junglewise.ai/threats/technologies/sagemaker-python-sdk): 5 vulnerabilities - [Amazon Freertos](https://junglewise.ai/threats/technologies/freertos): 4 vulnerabilities - [Amazon Strands-Agents-Tools](https://junglewise.ai/threats/technologies/strands-agents-tools): 4 vulnerabilities - [Amazon Tough](https://junglewise.ai/threats/technologies/amazon-tough): 3 vulnerabilities - [Amazon Tuftool](https://junglewise.ai/threats/technologies/amazon-tuftool): 3 vulnerabilities - [Amazon Bedrock Agentcore Starter Toolkit](https://junglewise.ai/threats/technologies/bedrock-agentcore-starter-toolkit): 3 vulnerabilities - [Amazon EFS CSI Driver](https://junglewise.ai/threats/technologies/efs-csi-driver): 3 vulnerabilities - [Amazon Engineering Studio](https://junglewise.ai/threats/technologies/engineering-studio): 3 vulnerabilities - [Amazon Mcp-Gateway-Registry](https://junglewise.ai/threats/technologies/mcp-gateway-registry): 3 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Amazon Freertos-Plus-Tcp vulnerabilities", https://junglewise.ai/threats/technologies/amazon-freertos-plus-tcp, 13 November 2026.