High severity7.4OSV Advisory· Published Dec 6, 2018· Updated Jun 17, 2026

CVE-2018-16523

Description

Amazon Web Services (AWS) FreeRTOS through 1.3.1, FreeRTOS up to V10.0.1 (with FreeRTOS+TCP), and WITTENSTEIN WHIS Connect middleware TCP/IP component allow division by zero in prvCheckOptions.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

AWS/Amazon FreertosOSV
Range: v1.0.0, v1.1.0, v1.2.0, …
Amazon/FreeRTOSllm-create
Range: <=1.3.1, <=V10.0.1 (with FreeRTOS+TCP)
WITTENSTEIN/WHIS Connect middleware TCP/IP componentllm-fuzzy

Patches

Vulnerability mechanics

References

blog.zimperium.com/freertos-tcpip-stack-vulnerabilities-details/nvdExploitThird Party Advisory
blog.zimperium.com/freertos-tcpip-stack-vulnerabilities-put-wide-range-devices-risk-compromise-smart-homes-critical-infrastructure-systems/nvdThird Party Advisory
github.com/aws/amazon-freertos/blob/v1.3.2/CHANGELOG.mdnvdRelease NotesThird Party Advisory

News mentions

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