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Medium · 5.2 CVE-2025-55297 EUVD-2025-25514

ESF-IDF BluFi Example Memory Overflow Vulnerability

Published Aug 21, 2025 · Updated Aug 22, 2025 · Assigned by GitHub_M

Description

ESF-IDF is the Espressif Internet of Things (IOT) Development Framework. The BluFi example bundled in ESP-IDF was vulnerable to memory overflows in two areas: Wi-Fi credential handling and Diffie–Hellman key exchange. This vulnerability is fixed in 5.4.1, 5.3.3, 5.1.6, and 5.0.9.

Affected products

VendorProductAffectedFixed
espressif esp-idf < 5.0.9, >= 5.1-beta1, < 5.1.6, >= 5.2-beta1, < 5.3.3, >= 5.4-beta1, < 5.4.1 —

References