CVE-2025-27052 Buffer Copy Without Checking Size of Input in Core Services
Attacker can trigger memory corruption via Unix client packets, potentially leading to code execution or privilege escalation 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-2025-27052?
CVE-2025-27052 is a high-severity memory corruption vulnerability in Qualcomm Ar8035 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 data packets in diag received from Unix clients.
Weakness: CWE-120
Which versions are affected by CVE-2025-27052?
It affects 156 products.
Products include Qualcomm Ar8035 Firmware, Qualcomm Fastconnect 6200 Firmware, Qualcomm Fastconnect 6700 Firmware, Qualcomm Fastconnect 6900 Firmware, Qualcomm Fastconnect 7800 Firmware, Qualcomm Flight Rb5 5g Firmware and 150 more.
How do I fix CVE-2025-27052?
No fix has been published for CVE-2025-27052 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-2025-27052 being exploited?
There is no known exploitation of CVE-2025-27052 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm Ar8035 Firmware
- CVE-2023-33106 Qualcomm Multiple Chipsets Use of Out-of-Range Pointer Offset
- CVE-2024-45569 Improper Validation of Array Index in WLAN Host Communication
- CVE-2024-21473 Improper Input Validation in WIN SON
- CVE-2023-28582 Buffer Copy Without Checking Size of Input in Data Modem
- CVE-2023-43552 Use After Free in WLAN Host Communication
Sources
Also known as GHSA-46hr-m6rf-q355.