315 5g Iot Modem Firmware CVE-2025-21424
HIGH
Use After Free (CWE-416)
2025-03-03
product-security@qualcomm.com
Buffer Overflow
Use After Free
Memory Corruption
315 5g Iot Modem Firmware
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7.8
CVSS 3.1
Share
CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Lifecycle Timeline
3
Analysis Generated
Mar 28, 2026 - 18:29 vuln.today
Patch released
Mar 28, 2026 - 18:29 nvd
Patch available
CVE Published
Mar 03, 2025 - 11:15 nvd
HIGH 7.8
DescriptionNVD
Memory corruption while calling the NPU driver APIs concurrently.
AnalysisAI
Memory corruption while calling the NPU driver APIs concurrently. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
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 calling the NPU driver APIs concurrently. Affected products include: Qualcomm 315 5G Iot Modem Firmware, Qualcomm Aqt1000 Firmware, Qualcomm Ar8031 Firmware, Qualcomm Ar8035 Firmware, Qualcomm C-V2X 9150 Firmware.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Use smart pointers or garbage-collected languages. Set pointers to NULL after freeing. Enable memory sanitizers.
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External POC / Exploit Code
Leaving vuln.today
Destination URL
POC code from unknown sources may be malicious, contain backdoors, or be fake.
Always review and test exploit code in a safe, isolated environment (VM/sandbox).
Verify the source reputation and cross-reference with known databases (Exploit-DB, GitHub Security).