Ar8035 Firmware
CVE-2025-21456
HIGH
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
2DescriptionCVE.org
Memory corruption while processing IOCTL command when multiple threads are called to map/unmap buffer concurrently.
AnalysisAI
Memory corruption while processing IOCTL command when multiple threads are called to map/unmap buffer concurrently. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified as Use After Free (CWE-416), which allows attackers to access freed memory to execute arbitrary code or crash the application. Memory corruption while processing IOCTL command when multiple threads are called to map/unmap buffer concurrently. Affected products include: Qualcomm Ar8035 Firmware, Qualcomm C-V2X 9150 Firmware, Qualcomm Fastconnect 6900 Firmware, Qualcomm Fastconnect 7800 Firmware, Qualcomm Qam8255P Firmware.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use smart pointers or garbage-collected languages. Set pointers to NULL after freeing. Enable memory sanitizers.
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Same weakness CWE-416 – Use After Free
View allSame technique Memory Corruption
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External POC / Exploit Code
Leaving vuln.today