CVE-2025-21449 Buffer Over-read in WLAN Embedded SW
Attackers can cause a transient denial of service in Qualcomm Snapdragon WLAN firmware by sending malformed SSID information elements.
- 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-2025-21449?
CVE-2025-21449 is a high-severity denial of service vulnerability in Qualcomm Apq8017 Firmware, published on 8 Jul 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Transient DOS may occur while processing malformed length field in SSID IEs.
Which versions are affected by CVE-2025-21449?
It affects 185 products.
Products include Qualcomm 315 5g Iot Firmware, Qualcomm Apq8017 Firmware, Qualcomm Apq8064au Firmware, Qualcomm Aqt1000 Firmware, Qualcomm Ar8031 Firmware, Qualcomm Ar8035 Firmware and 179 more.
How do I fix CVE-2025-21449?
No fix has been published for CVE-2025-21449 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-21449 being exploited?
There is no known exploitation of CVE-2025-21449 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm Apq8017 Firmware
Sources
Also known as GHSA-rg97-846q-ch76.