CVE-2025-21447 Improper Validation of Array Index in Computer Vision

High 7.8 Published Updated

Memory corruption in Qualcomm Snapdragon computer vision allows attackers to execute arbitrary code or escalate privileges via device IO control calls.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-21447?

CVE-2025-21447 is a high-severity memory corruption vulnerability in Qualcomm Fastconnect 6900 Firmware, published on 7 Apr 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Memory corruption may occur while processing device IO control call for session control.

Weakness: CWE-129

Which versions are affected by CVE-2025-21447?

It affects 8 products.

Products include Qualcomm Fastconnect 6900 Firmware, Qualcomm Fastconnect 7800 Firmware, Qualcomm Sc8380xp Firmware, Qualcomm Wcd9380 Firmware, Qualcomm Wcd9385 Firmware, Qualcomm Wsa8840 Firmware and 2 more.

How do I fix CVE-2025-21447?

No fix has been published for CVE-2025-21447 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2025-21447 being exploited?

There is no known exploitation of CVE-2025-21447 in the wild and no public exploit code.

All Qualcomm Fastconnect 6900 Firmware vulnerabilities

Sources

Also known as GHSA-496c-5frj-9m2m.

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