CVE-2025-55297

moderate-risk
Published 2025-08-21

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.

Do I need to act?

-
0.04% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
ADJACENT_NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Espressif

References (13)

Patch https://github.com/espressif/esp-idf/commit/12b7a9e6d78012ab9184b7ccdb5524364bf7...
Patch https://github.com/espressif/esp-idf/commit/3fc6c93936077cb1659e1f0e0268e62cf642...
Patch https://github.com/espressif/esp-idf/commit/5f93ec3b11b6115475c34de57093b3672d59...
Patch https://github.com/espressif/esp-idf/commit/9cb7206d4ae8fd8f4296cd57d6c78a1656f4...
Patch https://github.com/espressif/esp-idf/commit/abc18e93eb3500dbec74c3e589671ef82c8b...
Patch https://github.com/espressif/esp-idf/commit/b1657d9dd4d0e48ed25e02cb8fe8413f479a...
Patch https://github.com/espressif/esp-idf/commit/bf50c0c197af30990026c8f8286298d2aa5a...
Patch https://github.com/espressif/esp-idf/commit/cb6929a2e6f2ff130b742332dc15eb23006c...
Patch https://github.com/espressif/esp-idf/commit/cc00e9f2fc4f7e8fbaff27851b4a8b45fa48...
Patch https://github.com/espressif/esp-idf/commit/e65cf7ea2a2be52219ec9d4efc44aed5e490...
Patch https://github.com/espressif/esp-idf/commit/f40aa9c587a8e570dfde2e6330382dcd170d...
Patch https://github.com/espressif/esp-idf/commit/f77da0d5b5382635c99e6708551b73802ad1...
Vendor Advisory https://github.com/espressif/esp-idf/security/advisories/GHSA-9w88-r2vm-qfc4
32
/ 100
moderate-risk
Severity 27/34 · High
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal