Vulnerabilites related to ESP32Async - ESPAsyncWebServer
CVE-2025-53094 (GCVE-0-2025-53094)
Vulnerability from cvelistv5
Published
2025-06-27 19:57
Modified
2025-06-27 20:19
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
ESPAsyncWebServer is an asynchronous HTTP and WebSocket server library for ESP32, ESP8266, RP2040 and RP2350. In versions up to and including 3.7.8, a CRLF (Carriage Return Line Feed) injection vulnerability exists in the construction and output of HTTP headers within `AsyncWebHeader.cpp`. Unsanitized input allows attackers to inject CR (`\r`) or LF (`\n`) characters into header names or values, leading to arbitrary header or response manipulation. Manipulation of HTTP headers and responses can enable a wide range of attacks, making the severity of this vulnerability high. A fix is available at pull request 211 and is expected to be part of version 3.7.9.
References
Impacted products
Vendor | Product | Version | ||
---|---|---|---|---|
ESP32Async | ESPAsyncWebServer |
Version: <= 3.7.8 |
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