CVE-2023-43540
Buffer Copy Without Checking Size of Input in Bluetooth HOST
Memory corruption while processing the IOCTL FM HCI WRITE request.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Buffer Copy Without Checking Size of Input in Bluetooth HOST
Memory corruption while processing the IOCTL FM HCI WRITE request.
- Record
CVE-2023-43540- CVSS 3.1
- 8.4 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
EUVDEUVD-2023-47946
Memory corruption while processing the IOCTL FM HCI WRITE request.
- Record
EUVD-2023-47946- CVSS 3.1
- 8.4 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6299-m9xc-vxvj
Memory corruption while processing the IOCTL FM HCI WRITE request.
Memory corruption while processing the IOCTL FM HCI WRITE request.
- Record
GHSA-6299-m9xc-vxvj- CVSS 3.1
- 8.4 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-120, CWE-787
- Updated
- 2026-11-02
NVD
Memory corruption while processing the IOCTL FM HCI WRITE request.
- Record
CVE-2023-43540- CVSS 3.1
- 8.4 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-120, CWE-787
- Updated
- 2026-11-02
Affected products
- qualcomm aqt1000 firmware
- qualcomm fastconnect 6200 firmware
- qualcomm fastconnect 6700 firmware
- qualcomm fastconnect 6800 firmware
- qualcomm fastconnect 6900 firmware
- qualcomm fastconnect 7800 firmware
- qualcomm qca6391 firmware
- qualcomm qca6420 firmware
- qualcomm qca6430 firmware
- qualcomm sc8380xp firmware
- qualcomm sm6250 firmware
- qualcomm snapdragon 7c\+ gen 3 compute firmware
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- qualcomm snapdragon 7c compute firmware
- qualcomm snapdragon 7c gen 2 compute firmware
- qualcomm snapdragon 8c compute firmware
- qualcomm snapdragon 8cx compute firmware
- qualcomm snapdragon 8cx gen 2 5g firmware
- qualcomm snapdragon 8cx gen 3 firmware
- qualcomm wcd9340 firmware
- qualcomm wcd9341 firmware
- qualcomm wcd9380 firmware
- qualcomm wcd9385 firmware
- qualcomm wsa8810 firmware
- qualcomm wsa8815 firmware
- qualcomm wsa8830 firmware
- qualcomm wsa8835 firmware
- qualcomm wsa8840 firmware
- qualcomm wsa8845 firmware
- qualcomm wsa8845h firmware
- qualcomm, inc. snapdragon
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-43540 is a high vulnerability (CVSS 8.4) in Qualcomm Aqt1000 Firmware, published March 4, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.11%, the 1st percentile. No source names a fixed version.