CVE-2026-25277 Buffer Copy Without Checking Size of Input in Secure Processor
A buffer overflow in the Qualcomm Snapdragon Secure Processor allows attackers to execute arbitrary code or escalate privileges.
- 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-2026-25277?
CVE-2026-25277 is a high-severity memory corruption vulnerability in Qualcomm Fastconnect 6700 Firmware, published on 1 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Memory corruption while using Strongbox due to buffer overflow.
Weakness: CWE-120
Which versions are affected by CVE-2026-25277?
It affects 57 products.
Products include Qualcomm Cq8750m Firmware, Qualcomm Fastconnect 6700 Firmware, Qualcomm Fastconnect 6800 Firmware, Qualcomm Fastconnect 6900 Firmware, Qualcomm Fastconnect 7800 Firmware, Qualcomm G3x Gen 2 Firmware and 51 more.
How do I fix CVE-2026-25277?
No fix has been published for CVE-2026-25277 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-2026-25277 being exploited?
There is no known exploitation of CVE-2026-25277 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm Fastconnect 6700 Firmware
Sources
Also known as GHSA-gffw-46h4-vh42.