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Vulnerability Intelligence

CVE-2025-55297

MEDIUM5.2

ESF-IDF BluFi Example Memory Overflow Vulnerability

Published Aug 21, 2025

Modified 4 months ago

No fix available

Details

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.

References

WEBhttps://github.com/espressif/esp-idf/commit/12b7a9e6d78012ab9184b7ccdb5524364bf7e345 WEBhttps://github.com/espressif/esp-idf/commit/3fc6c93936077cb1659e1f0e0268e62cf6423e9d WEBhttps://github.com/espressif/esp-idf/commit/5f93ec3b11b6115475c34de57093b3672d594e8f WEBhttps://github.com/espressif/esp-idf/commit/9cb7206d4ae8fd8f4296cd57d6c78a1656f42efa WEBhttps://github.com/espressif/esp-idf/commit/abc18e93eb3500dbec74c3e589671ef82c8b3919 WEBhttps://github.com/espressif/esp-idf/commit/b1657d9dd4d0e48ed25e02cb8fe8413f479a2a84 WEBhttps://github.com/espressif/esp-idf/commit/bf50c0c197af30990026c8f8286298d2aa5a3c99 WEBhttps://github.com/espressif/esp-idf/commit/cb6929a2e6f2ff130b742332dc15eb23006c7cc9 WEBhttps://github.com/espressif/esp-idf/commit/cc00e9f2fc4f7e8fbaff27851b4a8b45fa483501 WEBhttps://github.com/espressif/esp-idf/commit/e65cf7ea2a2be52219ec9d4efc44aed5e490e91c WEBhttps://github.com/espressif/esp-idf/commit/f40aa9c587a8e570dfde2e6330382dcd170d5a5d WEBhttps://github.com/espressif/esp-idf/commit/f77da0d5b5382635c99e6708551b73802ad1213d WEBhttps://github.com/espressif/esp-idf/security/advisories/GHSA-9w88-r2vm-qfc4 ADVISORYhttps://www.cve.org/CVERecord?id=CVE-2025-55297

CVSS Analysis

CVSS v4.0

5.2

Exploitability

Attack Vector

AdjacentAV:A

Attack Complexity

LowAC:L

Attack Requirements

PresentAT:P

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Vulnerable System

Vuln. Confidentiality

HighVC:H

Vuln. Integrity

HighVI:H

Vuln. Availability

HighVA:H

Subsequent System

Subseq. Confidentiality

NoneSC:N

Subseq. Integrity

NoneSI:N

Subseq. Availability

NoneSA:N

5.2/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

Weakness Type (CWE)

Memory Safety

Classic Buffer Overflow

Other

Ecosystems

Timeline

PublishedAug 21, 2025

ModifiedAug 22, 2025

CVE-2025-55297 | Mondoo Vulnerability Intelligence