CVE-2025-27051 Double Free in Windows WLAN Host
A double free vulnerability in Qualcomm Snapdragon WLAN Host allows attackers to execute arbitrary code or escalate privileges via crafted command messages.
- 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-2025-27051?
CVE-2025-27051 is a high-severity use after free vulnerability in Qualcomm Fastconnect 6900 Firmware, published on 8 Jul 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Memory corruption while processing command message in WLAN Host.
Weakness: CWE-415
Which versions are affected by CVE-2025-27051?
It affects 10 products.
Products include Qualcomm Fastconnect 6900 Firmware, Qualcomm Fastconnect 7800 Firmware, Qualcomm Qcc2073 Firmware, Qualcomm Qcc2076 Firmware, Qualcomm Sc8380xp Firmware, Qualcomm Wcd9380 Firmware and 4 more.
How do I fix CVE-2025-27051?
No fix has been published for CVE-2025-27051 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2025-27051 being exploited?
There is no known exploitation of CVE-2025-27051 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm Fastconnect 6900 Firmware
Sources
Also known as GHSA-pppf-58c3-qc64.