CVE-2025-69209 | Arduino ArduinoCore-avr up to 1.8.6 dtostrf point buffer overflow (GHSA-pvx3-fm7w-6hjm / EUVD-2025-206313)
A vulnerability classified as critical has been found in Arduino ArduinoCore-avr up to 1.8.6. This affects the function dtostrf. This manipulation of the argument point causes buffer overflow.
The identification of this vulnerability is CVE-2025-69209. The attack can only be executed locally. There is no exploit available.
It is recommended to upgrade the affected component.