{"id":"CVE-2025-55297","aliases":["EUVD-2025-25514","GHSA-9w88-r2vm-qfc4"],"status":"published","title":"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.","severity":{"version":"4.0","score":5.2,"vector":"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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.0038,"percentile":0.32474,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120","CWE-131"],"published":"2025-08-21T15:05:06Z","modified":"2026-11-11T02:47:53Z","products":[{"vendor":"espressif","product":"esp-idf"}],"references":[{"url":"https://github.com/espressif/esp-idf/security/advisories/GHSA-9w88-r2vm-qfc4","tags":["x_refsource_CONFIRM","Vendor Advisory","advisory"]},{"url":"https://github.com/espressif/esp-idf/commit/12b7a9e6d78012ab9184b7ccdb5524364bf7e345","tags":["x_refsource_MISC","Patch","fix"]},{"url":"https://github.com/espressif/esp-idf/commit/3fc6c93936077cb1659e1f0e0268e62cf6423e9d","tags":["x_refsource_MISC","Patch","fix"]},{"url":"https://github.com/espressif/esp-idf/commit/5f93ec3b11b6115475c34de57093b3672d594e8f","tags":["x_refsource_MISC","Patch","fix"]},{"url":"https://github.com/espressif/esp-idf/commit/9cb7206d4ae8fd8f4296cd57d6c78a1656f42efa","tags":["x_refsource_MISC","Patch","fix"]},{"url":"https://github.com/espressif/esp-idf/commit/abc18e93eb3500dbec74c3e589671ef82c8b3919","tags":["x_refsource_MISC","Patch","fix"]},{"url":"https://github.com/espressif/esp-idf/commit/b1657d9dd4d0e48ed25e02cb8fe8413f479a2a84","tags":["x_refsource_MISC","Patch","fix"]},{"url":"https://github.com/espressif/esp-idf/commit/bf50c0c197af30990026c8f8286298d2aa5a3c99","tags":["x_refsource_MISC","Patch","fix"]},{"url":"https://github.com/espressif/esp-idf/commit/cb6929a2e6f2ff130b742332dc15eb23006c7cc9","tags":["x_refsource_MISC","Patch","fix"]},{"url":"https://github.com/espressif/esp-idf/commit/cc00e9f2fc4f7e8fbaff27851b4a8b45fa483501","tags":["x_refsource_MISC","Patch","fix"]},{"url":"https://github.com/espressif/esp-idf/commit/e65cf7ea2a2be52219ec9d4efc44aed5e490e91c","tags":["x_refsource_MISC","Patch","fix"]},{"url":"https://github.com/espressif/esp-idf/commit/f40aa9c587a8e570dfde2e6330382dcd170d5a5d","tags":["x_refsource_MISC","Patch","fix"]},{"url":"https://github.com/espressif/esp-idf/commit/f77da0d5b5382635c99e6708551b73802ad1213d","tags":["x_refsource_MISC","Patch","fix"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/55xxx/CVE-2025-55297.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-55297","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2025-55297","title":"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.","status":"published","published":"2025-08-21T15:05:06.805Z","modified":"2025-08-22T11:32:48.47Z","cvss":[{"version":"4.0","score":5.2,"vector":"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","level":"medium","assessor":"cna"}],"cwes":["CWE-120","CWE-131"],"updated_at":"2026-11-02T14:32:52.839698Z"}],"euvd":[{"id":"EUVD-2025-25514","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.","status":"published","published":"2025-08-21T15:05:06Z","modified":"2025-08-22T11:32:48Z","cvss":[{"version":"4.0","score":5.2,"vector":"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","level":"medium"}],"updated_at":"2026-11-02T20:31:54.537077Z"}],"nvd":[{"id":"CVE-2025-55297","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.","status":"published","published":"2025-08-21T15:15:33.717Z","modified":"2026-06-17T09:41:36.367Z","cvss":[{"version":"4.0","score":5.2,"vector":"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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-120","CWE-131"],"updated_at":"2026-11-02T14:11:25.261243Z"}],"osv":[{"id":"CVE-2025-55297","title":"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.","status":"published","published":"2025-08-21T15:05:06.805Z","modified":"2026-11-11T13:20:55.161681588Z","cvss":[{"version":"4.0","score":5.2,"vector":"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","level":"medium"}],"cwes":["CWE-120","CWE-131"],"updated_at":"2026-11-11T03:22:28.447808Z"}]}}