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CVE-2025-64342— ESF-IDF's ESP32 Bluetooth Controller Has an Invalid Access Address Vulnerability

Quick assessment

Affected
espressif esp-idf
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Espressif ESP-IDF是中国乐鑫（Espressif）公司的一款物联网开发框架。 Espressif ESP-IDF存在代码问题漏洞，该漏洞源于无效访问地址处理不当，可能导致广告停止和错误连接报告。

AI Predicted 5.9 Difficulty: Easy EPSS 0.40% · P32

Possible ATT&CK Techniques 1 AI

T1498 · Network Denial of Service
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I. Basic Information for CVE-2025-64342

Vulnerability Information
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Vulnerability Title
ESF-IDF's ESP32 Bluetooth Controller Has an Invalid Access Address Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
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: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
对因果或异常条件的不恰当检查
Source: CVE Program / CVE List V5
Vulnerability Title
Espressif ESP-IDF 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Espressif ESP-IDF是中国乐鑫（Espressif）公司的一款物联网开发框架。 Espressif ESP-IDF存在代码问题漏洞，该漏洞源于无效访问地址处理不当，可能导致广告停止和错误连接报告。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
espressif esp-idf >= 5.5-beta1, < 5.5.2 -

II. Public POCs for CVE-2025-64342

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III. Intelligence Information for CVE-2025-64342

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Vendor Advisories for CVE-2025-64342 (1)

IV. Related Vulnerabilities

Same product: esp-idf
Same vendor: espressif
Same weakness: CWE-754

V. Comments for CVE-2025-64342

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