CVE-2026-101103

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

Score

CVSS 4.0 6.8 Medium

Status

Awaiting Analysis - ics-cert@hq.dhs.gov

Published

2026-10-20

Last modified

2026-10-22

Weaknesses

CWE-120

Affected products

• Pcan Windows Can Device Drivers (Hms Networks)
• Peak-system Device Driver Setup (Hms Networks)

References

• https://www.hms-networks.com/cybersecurity
• https://www.peak-system.com/support/downloads/software/
• https://www.cisa.gov/news-events/ics-advisories/icsa-26-293-01
• https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-293-01.json