Buffer overflow in Uyanki Board-Stm32f103rc-Berial
CVE-2025-6093
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.003 (23.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 23.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
- Uyanki Board-Stm32f103rc-Berial — versions 84daed541609cb7b46854cc6672a275d1007e295
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, vdb-entry)
- vuldb.com/ (signature, permissions-required)
- vuldb.com/ (third-party-advisory)
- github.com/uYanki/board-stm32f103rc-berial/issues/3 (issue-tracking)
Frequently asked questions
- What is CVE-2025-6093?
- CVE-2025-6093 is a medium-severity vulnerability in Uyanki Board-Stm32f103rc-Berial, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.5/10. Published 2025-06-15.
- How severe is CVE-2025-6093?
- Medium severity. CVSS v3 base score is 5.5 out of 10.