Vulnerability · Published Jun 15, 2025 · Assigned by VulDB

CVE-2025-6093uYanki board-stm32f103rc-berial heartrate1_hal.c heartrate1_i2c_hal_write stack-based overflow

Medium 5.5

In plain English

A medium-severity stack buffer overflow in board-stm32f103rc-berial from uYanki. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities).

Severity (CVSS 3.1)5.5Medium

Exploit odds (30 days)0.3%top 78.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

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.

Affected products (as reported)

Vendor	Product	Versions
uYanki	board-stm32f103rc-berial	84daed541609cb7b46854cc6672a275d1007e295

Weakness: CWE-121, CWE-119 · Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R

References

VDB-312562 | uYanki board-stm32f103rc-berial heartrate1_hal.c heartrate1_i2c_hal_write stack-based overflow vdb-entry, technical-description
VDB-312562 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #588106 | uYanki board-stm32f103rc-berial 0.0 Buffer Overflow third-party-advisory
https://github.com/uYanki/board-stm32f103rc-berial/issues/3 issue-tracking