CVE-2025-55297

ESF-IDF BluFi Example Memory Overflow Vulnerability

State
Published
Severity
5.2 Medium
Published
Aug 21, 2025
Updated
Aug 22, 2025
Reserved
Aug 12, 2025

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
4.05.2 MediumCVSS: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:UGitHub_M

Weaknesses

  • CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
  • CWE-131 Incorrect Calculation of Buffer Size

Affected Products

ProductVersions
esp-idfespressif
  • < 5.0.9Affected
  • >= 5.1-beta1, < 5.1.6Affected
  • >= 5.2-beta1, < 5.3.3Affected
  • >= 5.4-beta1, < 5.4.1Affected

References

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