CVE-2026-101103 — HMS Networks PEAK-System PCAN Windows drivers Classic Buffer Overflow

CVE-2026-101103

HMS Networks PEAK-System PCAN Windows drivers Classic Buffer Overflow PUBLISHED

Description (CNA)

The PEAK-System PCAN diagnostic call did not validate that the caller-supplied output buffer was large enough to hold the output record.

Vendor / product	Versions
HMS Networks / PEAK-System Device Driver Setup	affected 0 through 5.1.2.1151; unaffected 5.1.4
HMS Networks / PCAN Windows CAN device drivers	affected 0 through 5.1.2; unaffected 5.1.4

CWE-120