Comprehensive Technical Analysis of CVE-2025-13834 A Bluetooth RFCOMM Out-of-Bounds Read Vulnerability in Modern Wireless Devices
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| Formato: | Recurso digital |
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2026
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| _version_ | 1866902321075585024 |
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| author | wiguna, sastra adi |
| author_facet | wiguna, sastra adi |
| contents | <p><strong>CVE-2025-13834 Technical Summary</strong></p> <p><span><strong><span>Vulnerability Type:</span></strong><span> Memory Disclosure / Out-of-Bounds (OOB) Read (CWE-125)</span></span><span><span><sup></sup><sup></sup></span></span><span>. </span><span><strong><span>CVSS Score:</span></strong><span> 7.5–8.1 (High/Critical)</span></span><span><span><sup></sup><sup></sup></span></span><span>. </span></p> <p><span><strong><span>Vector:</span></strong><span> Adjacent Network (Bluetooth range) via single-packet exploit without authentication.</span></span></p> <p><span><span><sup></sup><sup></sup></span></span><span><strong>Root Cause:</strong> </span><span><span>A critical flaw exists in the RFCOMM protocol’s </span><code><span>TEST</span></code><span> command (Frame Type 0x10)</span></span><span><span><sup></sup><sup></sup><sup></sup><sup></sup></span></span><span>. </span><span><span>The implementation fails to validate the </span><code><span>length</span></code><span> field in the command header against the actual payload received</span></span><span><span><sup></sup></span></span><span>. </span><span><span>An attacker can declare a maximum length (127 bytes) while sending minimal data</span></span><span><span><sup></sup><sup></sup><sup></sup><sup></sup></span></span><span>. </span><span><span>This causes </span><code><span>memcpy()</span></code><span> to read beyond the buffer, extracting uninitialized kernel or heap memory</span></span><span><span><sup></sup><sup></sup><sup></sup><sup></sup></span></span></p> <p></p> <p></p> |
| format | Recurso digital |
| id | zenodo_https___doi_org_10_5281_zenodo_18323302 |
| institution | Zenodo |
| language | |
| publishDate | 2026 |
| publisher | Zenodo |
| record_format | zenodo |
| spellingShingle | Comprehensive Technical Analysis of CVE-2025-13834 A Bluetooth RFCOMM Out-of-Bounds Read Vulnerability in Modern Wireless Devices wiguna, sastra adi <p><strong>CVE-2025-13834 Technical Summary</strong></p> <p><span><strong><span>Vulnerability Type:</span></strong><span> Memory Disclosure / Out-of-Bounds (OOB) Read (CWE-125)</span></span><span><span><sup></sup><sup></sup></span></span><span>. </span><span><strong><span>CVSS Score:</span></strong><span> 7.5–8.1 (High/Critical)</span></span><span><span><sup></sup><sup></sup></span></span><span>. </span></p> <p><span><strong><span>Vector:</span></strong><span> Adjacent Network (Bluetooth range) via single-packet exploit without authentication.</span></span></p> <p><span><span><sup></sup><sup></sup></span></span><span><strong>Root Cause:</strong> </span><span><span>A critical flaw exists in the RFCOMM protocol’s </span><code><span>TEST</span></code><span> command (Frame Type 0x10)</span></span><span><span><sup></sup><sup></sup><sup></sup><sup></sup></span></span><span>. </span><span><span>The implementation fails to validate the </span><code><span>length</span></code><span> field in the command header against the actual payload received</span></span><span><span><sup></sup></span></span><span>. </span><span><span>An attacker can declare a maximum length (127 bytes) while sending minimal data</span></span><span><span><sup></sup><sup></sup><sup></sup><sup></sup></span></span><span>. </span><span><span>This causes </span><code><span>memcpy()</span></code><span> to read beyond the buffer, extracting uninitialized kernel or heap memory</span></span><span><span><sup></sup><sup></sup><sup></sup><sup></sup></span></span></p> <p></p> <p></p> |
| title | Comprehensive Technical Analysis of CVE-2025-13834 A Bluetooth RFCOMM Out-of-Bounds Read Vulnerability in Modern Wireless Devices |
| url | https://doi.org/10.5281/zenodo.18323302 |