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CVE-2025-53470— Apache Mynewt NimBLE: Out-of-Bounds Write Vulnerability in NimBLE HCI H4 driver

Quick assessment

Affected
Apache Software Foundation Apache Mynewt NimBLE
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.

Apache NimBLE是美国阿帕奇（Apache）基金会的一个开源蓝牙 5.4 堆栈（主机和控制器），完全取代 Nordic 芯片组上的专有 SoftDevice。它是Apache Mynewt 项目的一部分。 Apache NimBLE 1.8及之前版本存在缓冲区错误漏洞，该漏洞源于H4驱动程序中特制的HCI事件可能导致无效内存读取。

AI Predicted 3.7 Difficulty: Hard EPSS 0.35% · P27

Possible ATT&CK Techniques 1 AI

T1200 · Hardware Additions
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I. Basic Information for CVE-2025-53470

Vulnerability Information
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Vulnerability Title
Apache Mynewt NimBLE: Out-of-Bounds Write Vulnerability in NimBLE HCI H4 driver
Source: CVE Program / CVE List V5
Vulnerability Description
Out-of-bounds Read vulnerability in Apache NimBLE HCI H4 driver. Specially crafted HCI event could lead to invalid memory read in H4 driver. This issue affects Apache NimBLE: through 1.8.  This issue requires a broken or bogus Bluetooth controller and thus severity is considered low. Users are recommended to upgrade to version 1.9, which fixes the issue.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
Apache NimBLE 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache NimBLE是美国阿帕奇（Apache）基金会的一个开源蓝牙 5.4 堆栈（主机和控制器），完全取代 Nordic 芯片组上的专有 SoftDevice。它是Apache Mynewt 项目的一部分。 Apache NimBLE 1.8及之前版本存在缓冲区错误漏洞，该漏洞源于H4驱动程序中特制的HCI事件可能导致无效内存读取。
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
Apache Software Foundation Apache Mynewt NimBLE 0 ~ 1.8 -

II. Public POCs for CVE-2025-53470

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III. Intelligence Information for CVE-2025-53470

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Same Patch Batch · Apache Software Foundation · 2026-01-10 · 4 CVEs total

CVE-2025-52435 Apache Mynewt NimBLE: Invalid error handling in pause encryption procedure in NimBLE contr
CVE-2025-53477 Apache Mynewt NimBLE: NULL Pointer Dereference in NimBLE host HCI layer
CVE-2025-62235 Apache Mynewt NimBLE: Incorrect handling of SMP Security Request could lead to undesirable

IV. Related Vulnerabilities

Same product: Apache Mynewt NimBLE
Same vendor: Apache Software Foundation
Same weakness: CWE-125