CVE-2025-6093 uYanki board-stm32f103rc-berial heartrate1_hal.c heartrate1_i2c_hal_write stack-based overflow
A stack-based buffer overflow in the I2C write function allows attackers to execute arbitrary code or cause denial of service on the device.
- 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-2025-6093?
CVE-2025-6093 is a medium-severity memory corruption vulnerability in uYanki board-stm32f103rc-berial, published on 15 Jun 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability classified as critical was found in uYanki board-stm32f103rc-berial up to 84daed541609cb7b46854cc6672a275d1007e295. This vulnerability affects the function heartrate1_i2c_hal_write of the file 7.Example/hal/i2c/max30100/Manual/demo2/2/heartrate1_hal.c. The manipulation of the argument num leads to stack-based buffer overflow. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available.
Which versions are affected by CVE-2025-6093?
How do I fix CVE-2025-6093?
No fix has been published for CVE-2025-6093 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-2025-6093 being exploited?
There is no known exploitation of CVE-2025-6093 in the wild and no public exploit code.
Sources
Also known as GHSA-6gj4-wp95-h55h.