CVE-2025-21441 Out-of-bounds Read in Windows WLAN Host

High 7.8 Published Updated

A memory corruption vulnerability in Qualcomm Snapdragon WLAN drivers allows attackers to execute arbitrary code or escalate privileges via crafted IOCTL 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-2025-21441?

CVE-2025-21441 is a high-severity memory corruption vulnerability in Qualcomm Aqt1000 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 when IOCTL call is invoked from user-space to write board data to WLAN driver.

Weakness: CWE-787

Which versions are affected by CVE-2025-21441?

It affects 49 products.

Products include Qualcomm Aqt1000 Firmware, Qualcomm Fastconnect 6200 Firmware, Qualcomm Fastconnect 6700 Firmware, Qualcomm Fastconnect 6800 Firmware, Qualcomm Fastconnect 6900 Firmware, Qualcomm Fastconnect 7800 Firmware and 43 more.

How do I fix CVE-2025-21441?

No fix has been published for CVE-2025-21441 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-2025-21441 being exploited?

There is no known exploitation of CVE-2025-21441 in the wild and no public exploit code.

All Qualcomm Aqt1000 Firmware vulnerabilities

Sources

Also known as GHSA-pwvp-7q9f-hp59.

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