CVE-2025-55297 MEDIUM

CVE-2025-55297: ESF-IDF BluFi Example Memory Overflow Vulnerability

Vendor Espressif
Product esp-idf
Weakness CWE-120
Published August 21, 2025
Last update August 22, 2025
View on NVD All CVEs

CVSS base score

5.2/10
Attack vector Adjacent
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

August 21, 2025 CVE published
August 22, 2025 Record updated