CVE-2025-55297

ESF-IDF BluFi Example Memory Overflow Vulnerability

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.

Category

5.2
CVSS
Severity: Medium
CVSS 4.0 •
EPSS 0.03%
Affected: espressif esp-idf
Published at:
Updated at:

References

Link Tags
https://github.com/espressif/esp-idf/security/advisories/GHSA-9w88-r2vm-qfc4
https://github.com/espressif/esp-idf/commit/12b7a9e6d78012ab9184b7ccdb5524364bf7e345
https://github.com/espressif/esp-idf/commit/3fc6c93936077cb1659e1f0e0268e62cf6423e9d
https://github.com/espressif/esp-idf/commit/5f93ec3b11b6115475c34de57093b3672d594e8f
https://github.com/espressif/esp-idf/commit/9cb7206d4ae8fd8f4296cd57d6c78a1656f42efa
https://github.com/espressif/esp-idf/commit/abc18e93eb3500dbec74c3e589671ef82c8b3919
https://github.com/espressif/esp-idf/commit/b1657d9dd4d0e48ed25e02cb8fe8413f479a2a84
https://github.com/espressif/esp-idf/commit/bf50c0c197af30990026c8f8286298d2aa5a3c99
https://github.com/espressif/esp-idf/commit/cb6929a2e6f2ff130b742332dc15eb23006c7cc9
https://github.com/espressif/esp-idf/commit/cc00e9f2fc4f7e8fbaff27851b4a8b45fa483501
https://github.com/espressif/esp-idf/commit/e65cf7ea2a2be52219ec9d4efc44aed5e490e91c
https://github.com/espressif/esp-idf/commit/f40aa9c587a8e570dfde2e6330382dcd170d5a5d
https://github.com/espressif/esp-idf/commit/f77da0d5b5382635c99e6708551b73802ad1213d

Frequently Asked Questions

What is the severity of CVE-2025-55297?
CVE-2025-55297 has been scored as a medium severity vulnerability.
How to fix CVE-2025-55297?
To fix CVE-2025-55297, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-55297 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-55297 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-55297?
CVE-2025-55297 affects espressif esp-idf.
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