Incorrect Implementation of Authentication Algorithm Affecting esphome package, versions [,2025.8.1)
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-PYTHON-ESPHOME-12483762
- published3 Sept 2025
- disclosed2 Sept 2025
- creditJonathan Rascher
Introduced: 2 Sep 2025
NewCVE-2025-57808 (opens in a new tab)How to fix?
Upgrade esphome to version 2025.8.1 or higher.
Overview
esphome is a Make creating custom firmwares for ESP32/ESP8266 super easy.
Affected versions of this package are vulnerable to Incorrect Implementation of Authentication Algorithm in the web_server authentication process. An attacker can gain unauthorized access to web server functionality, including over-the-air updates if enabled, by supplying an empty or incomplete base64-encoded Authorization header.