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Critical FastCGI Vulnerability Threatens IoT Devices: Update Now!

4/29/2025

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Summary

Story summary

A serious vulnerability (CVE-2025-23016) in the FastCGI library puts countless embedded and IoT devices at risk of remote code execution. Uncovered by researcher Baptiste Mayaud, this flaw arises from an integer overflow during parameter parsing. To safeguard their devices, users are urged to upgrade to version 2.4.5 or later and limit network exposure.

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Story summary

A serious vulnerability (CVE-2025-23016) in the FastCGI library puts countless embedded and IoT devices at risk of remote code execution. Uncovered by researcher Baptiste Mayaud, this flaw arises from an integer overflow during parameter parsing. To safeguard their devices, users are urged to upgrade to version 2.4.5 or later and limit network exposure.