---
id: CVE-2025-64342
title: ESF-IDF is the Espressif Internet of Things (IOT) Development Framework
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 st…
severity: none
cwe:
  - CWE-754
published: '2025-11-17'
updated: '2026-10-07'
sourceUpdated: '2026-10-07T21:10:00.200'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-64342'
references:
  - url: >-
      https://github.com/espressif/esp-idf/commit/309f031dd6b04de30c926a256508c65b0df95dfa
    label: security-advisories@github.com
  - url: >-
      https://github.com/espressif/esp-idf/commit/3b95b50703cd3301a370cffaa1cc299b1941fe2a
    label: security-advisories@github.com
  - url: >-
      https://github.com/espressif/esp-idf/commit/75967b578563ea7876dc215251cbb6d64bc9d768
    label: security-advisories@github.com
  - url: >-
      https://github.com/espressif/esp-idf/commit/8ec541023684d33b498fa21c5b4724bce748aa7b
    label: security-advisories@github.com
  - url: >-
      https://github.com/espressif/esp-idf/commit/bf66761962579f73aea682d1154b9c99b9d3d7dc
    label: security-advisories@github.com
  - url: >-
      https://github.com/espressif/esp-idf/commit/e3d70429566ece1ef593d36aa4ebd320e0c95925
    label: security-advisories@github.com
  - url: >-
      https://github.com/espressif/esp-idf/security/advisories/GHSA-8mg7-9qpg-p92v
    label: security-advisories@github.com
tags:
  - nvd
epss: 0.00398
epssPercentile: 0.31898
ingestedAt: '2026-10-07T21:54:15.064Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.