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

Published Aug 21, 2025
·
Updated

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 Software

5 affected components
Espressif ESP-IDF<5.4.1
Espressif ESP-IDF<5.0.9
Espressif ESP-IDF>=5.1<5.1.6
Espressif ESP-IDF>=5.2<5.3.3
Espressif ESP-IDF>=5.4<5.4.1

Remediation

Patch Available

https://github.com/espressif/esp-idf/commit/12b7a9e6d78012ab9184b7ccdb5524364bf7e345

Patch Available

https://github.com/espressif/esp-idf/commit/3fc6c93936077cb1659e1f0e0268e62cf6423e9d

Patch Available

https://github.com/espressif/esp-idf/commit/5f93ec3b11b6115475c34de57093b3672d594e8f

Patch Available

https://github.com/espressif/esp-idf/commit/9cb7206d4ae8fd8f4296cd57d6c78a1656f42efa

Patch Available

https://github.com/espressif/esp-idf/commit/abc18e93eb3500dbec74c3e589671ef82c8b3919

Patch Available

https://github.com/espressif/esp-idf/commit/b1657d9dd4d0e48ed25e02cb8fe8413f479a2a84

Patch Available

https://github.com/espressif/esp-idf/commit/bf50c0c197af30990026c8f8286298d2aa5a3c99

Patch Available

https://github.com/espressif/esp-idf/commit/cb6929a2e6f2ff130b742332dc15eb23006c7cc9

Patch Available

https://github.com/espressif/esp-idf/commit/cc00e9f2fc4f7e8fbaff27851b4a8b45fa483501

Patch Available

https://github.com/espressif/esp-idf/commit/e65cf7ea2a2be52219ec9d4efc44aed5e490e91c

Patch Available

https://github.com/espressif/esp-idf/commit/f40aa9c587a8e570dfde2e6330382dcd170d5a5d

Patch Available

https://github.com/espressif/esp-idf/commit/f77da0d5b5382635c99e6708551b73802ad1213d

Event History

Aug 21, 2025
CVE Published
via MITRE·03:05 PM
Data Sourced
via MITRE·03:05 PM
DescriptionWeakness
Data Sourced
via NVD·03:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-55297?

CVE-2025-55297 has been classified as a high severity vulnerability due to memory overflows that could lead to potential exploits.

2

How do I fix CVE-2025-55297?

To resolve CVE-2025-55297, upgrade to ESP-IDF versions 5.4.1, 5.3.3, 5.1.6, or 5.0.9.

3

What areas are impacted by CVE-2025-55297?

CVE-2025-55297 specifically affects Wi-Fi credential handling and the Diffie–Hellman key exchange mechanisms.

4

What software is affected by CVE-2025-55297?

CVE-2025-55297 affects the Espressif ESP-IDF framework versions prior to 5.4.1.

5

Is there a specific example that illustrates CVE-2025-55297?

Yes, the BluFi example included in the ESP-IDF is specifically vulnerable to the issues highlighted in CVE-2025-55297.

Company

Resources

Contact

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