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.
Advisories
Source ID Title
EUVD EUVD EUVD-2025-25514 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.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Thu, 22 Jan 2026 16:15:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:espressif:esp-idf:*:*:*:*:*:*:*:*
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}


Sat, 23 Aug 2025 11:00:00 +0000

Type Values Removed Values Added
First Time appeared Espressif
Espressif esp-idf
Vendors & Products Espressif
Espressif esp-idf

Fri, 22 Aug 2025 12:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 21 Aug 2025 15:15:00 +0000

Type Values Removed Values Added
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.
Title ESF-IDF BluFi Example Memory Overflow Vulnerability
Weaknesses CWE-120
CWE-131
References
Metrics cvssV4_0

{'score': 5.2, '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'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2025-08-22T11:32:48.470Z

Reserved: 2025-08-12T16:15:30.238Z

Link: CVE-2025-55297

cve-icon Vulnrichment

Updated: 2025-08-22T11:32:42.396Z

cve-icon NVD

Status : Analyzed

Published: 2025-08-21T15:15:33.717

Modified: 2026-01-22T16:04:06.620

Link: CVE-2025-55297

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-08-23T10:55:44Z

Weaknesses