CVE-2025-47406 Buffer Over-read in DSP Service
An attacker can read sensitive memory via a buffer over-read in the DSP service IOCTL handler on Qualcomm Snapdragon devices.
- 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-2025-47406?
CVE-2025-47406 is a medium-severity vulnerability in Qualcomm Cologne Firmware, published on 4 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Information Disclosure while processing IOCTL handler callbacks without verifying buffer size.
Which versions are affected by CVE-2025-47406?
It affects 31 products.
Products include Qualcomm Cologne Firmware, Qualcomm Fastconnect 6700 Firmware, Qualcomm Fastconnect 6900 Firmware, Qualcomm Fastconnect 7800 Firmware, Qualcomm Iqx5121 Firmware, Qualcomm Iqx7181 Firmware and 25 more.
How do I fix CVE-2025-47406?
No fix has been published for CVE-2025-47406 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-47406 being exploited?
There is no known exploitation of CVE-2025-47406 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm Cologne Firmware
Sources
Also known as GHSA-75cg-pp3q-vrg5.