CVE-2025-21428 Buffer Over-read in WLAN Host

High 7.5 Published Updated

A buffer over-read in Qualcomm Snapdragon WLAN firmware allows attackers to cause memory corruption, potentially leading to code execution or denial of service.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-21428?

CVE-2025-21428 is a high-severity memory corruption vulnerability in Qualcomm Apq8017 Firmware, published on 7 Apr 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Memory corruption occurs while connecting a STA to an AP and initiating an ADD TS request from the AP to establish a TSpec session.

Weakness: CWE-126

Which versions are affected by CVE-2025-21428?

It affects 69 products.

Products include Qualcomm 9206 Lte Modem Firmware, Qualcomm Apq8017 Firmware, Qualcomm Ar8031 Firmware, Qualcomm C-V2x 9150 Firmware, Qualcomm Csra6620 Firmware, Qualcomm Csra6640 Firmware and 63 more.

How do I fix CVE-2025-21428?

No fix has been published for CVE-2025-21428 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-2025-21428 being exploited?

There is no known exploitation of CVE-2025-21428 in the wild and no public exploit code.

All Qualcomm Apq8017 Firmware vulnerabilities

Sources

Also known as GHSA-4rmv-m7cx-wvg4.

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