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Δ / VULNERABILITY RECORD

CVE-2025-64342.

Source-reported disclosure and enrichment record.

SEVERITY / CVSSMEDIUM / 6.9CVSS 4.0 · security-advisories@github.com
EXPLOITATION STATUSNot listed in the cached KEV catalogThis does not establish absence of exploitation.
RECORD STATUSDeferredModified Oct 07, 2026

Disclosure summary

ESF-IDF is the Espressif Internet of Things (IOT) Development Framework. When the ESP32 is in advertising mode, if it receives a connection request containing an invalid Access Address (AA) of 0x00000000 or 0xFFFFFFFF, advertising may stop unexpectedly. In this case, the controller may incorrectly report a connection event to the host, which can cause the application layer to assume that the device has successfully established a connection. This issue has been fixed in versions 5.5.2, 5.4.3, 5.3.5, 5.2.6, and 5.1.7. At time of publication versions 5.5.2, 5.3.5, and 5.1.7 have not been released but are fixed respectively in commits 3b95b50, e3d7042, and 75967b5.

Source-reported weakness categories

CWE-754

Source-specific records & product guidance

Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.

NIST National Vulnerability Database · NVD-CVE-2025-64342

Open original source · Updated Oct 07, 2026

Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.

Original records & references

PUBLISHED 2025-11-17T13:15:58-05:00
MODIFIED 2026-10-07T17:10:00-04:00
INGESTED 2026-10-08T12:35:23-04:00