CVE-2025-55297
High
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.
SeverityHigh
CVSS8.8
Exploit probability—
ProductEspressif Esp-idf
PublishedAug 21, 2025
First seenAug 21, 2025
Weakness typeCWE-120CWE-120CWE-131CWE-131
How to fix
Update
- espressif esp-idf5.0.9, 5.1.6, 5.3.3, 5.4.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| espressif esp-idf | v < 5.0.9, 5.1 ≤ v < 5.1.6, 5.2 ≤ v < 5.3.3, 5.4 ≤ v < 5.4.1 | 5.0.9, 5.1.6, 5.3.3, 5.4.1 |
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