CVE-2026-51244
schreibfaul1 · ESP32-audioI2S
A denial of service vulnerability exists within the schreibfaul1 ESP32-audioI2S library, potentially allowing remote attackers to disrupt service.
Executive summary
A high-severity vulnerability in the ESP32-audioI2S library allows unauthenticated attackers to cause a denial of service condition.
Vulnerability
This vulnerability is a denial of service flaw affecting the ESP32-audioI2S library. It is exploitable by an unauthenticated attacker over the network without requiring user interaction.
Business impact
With a CVSS score of 7.5, this vulnerability represents a significant risk to systems relying on the ESP32-audioI2S library. Successful exploitation would result in system instability or a complete crash, causing downtime for audio-processing equipment or related IoT devices.
Remediation
Immediate Action: Monitor the schreibfaul1 GitHub repository for security patches and update the library to the latest version.
Proactive Monitoring: Monitor device stability and logs for unexpected reboots or service crashes that might indicate an ongoing attack.
Compensating Controls: Isolate affected devices on segmented networks to limit exposure to untrusted traffic.
Exploitation status
Public Exploit Available: Unknown
Analyst recommendation
Administrators should treat this vulnerability with urgency, especially in production environments where system availability is critical. Ensure that all devices utilizing the ESP32-audioI2S library are updated as soon as official vendor guidance becomes available.