CVE-2025-27031
Use After Free in Bluetooth HOST
memory corruption while processing IOCTL commands, when the buffer in write loopback mode is accessed after being freed.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Use After Free in Bluetooth HOST
memory corruption while processing IOCTL commands, when the buffer in write loopback mode is accessed after being freed.
- Record
CVE-2025-27031- 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-416
- Updated
- 2026-11-02
EUVDEUVD-2025-16701
memory corruption while processing IOCTL commands, when the buffer in write loopback mode is accessed after being freed.
- Record
EUVD-2025-16701- 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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-w7pg-pjp7-vmxw
memory corruption while processing IOCTL commands, when the buffer in write loopback mode is...
memory corruption while processing IOCTL commands, when the buffer in write loopback mode is accessed after being freed.
- Record
GHSA-w7pg-pjp7-vmxw- 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-416
- Updated
- 2026-11-02
NVD
memory corruption while processing IOCTL commands, when the buffer in write loopback mode is accessed after being freed.
- Record
CVE-2025-27031- 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-416
- Updated
- 2026-11-02
Affected products
- qualcomm fastconnect 6700 firmware
- qualcomm fastconnect 6900 firmware
- qualcomm fastconnect 7800 firmware
- qualcomm qcm5430 firmware
- qualcomm qcm6490 firmware
- qualcomm qcs5430 firmware
- qualcomm qcs6490 firmware
- qualcomm sc8380xp firmware
- qualcomm snapdragon 7c\+ gen 3 compute firmware
- qualcomm snapdragon 8cx gen 3 compute platform \(sc8280xp-ab\) firmware
- qualcomm snapdragon 8cx gen 3 compute platform \(sc8280xp-bb\) firmware
- qualcomm video collaboration vc3 platform firmware
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-27031 is a high vulnerability (CVSS 7.8) in Qualcomm Fastconnect 6700 Firmware, published June 3, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.10%, the 0th percentile. No source names a fixed version.