CVE-2025-21429 Buffer Over-read in WLAN Host
A buffer over-read in Qualcomm 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
- Available
What is CVE-2025-21429?
CVE-2025-21429 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.
Weakness: CWE-126
Which versions are affected by CVE-2025-21429?
It affects 182 products.
Products include Qualcomm 9206 Lte Modem Firmware, Qualcomm Apq8017 Firmware, Qualcomm Apq8064au Firmware, Qualcomm Aqt1000 Firmware, Qualcomm Ar8035 Firmware, Qualcomm C-V2x 9150 Firmware and 176 more.
How do I fix CVE-2025-21429?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2025-21429 being exploited?
There is no known exploitation of CVE-2025-21429 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm Apq8017 Firmware
Sources
Also known as 3960857, A-388048166, ASB-A-388048166, GHSA-mrr6-w84f-5xh8.