CVE-2026-101103
Received Received - Intake

PECAN Diagnostic Call Buffer Overflow

Vulnerability report for CVE-2026-101103, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-10-20

Last updated on: 2026-10-20

Assigner: ICS-CERT

Description

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

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-10-20
Last Modified
2026-10-20
Generated
2026-10-21
EPSS Evaluated
N/A
NVD

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
HMS Networks PEAK-System Device Driver Setup 0
HMS Networks PCAN Windows CAN device drivers 0

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-120 The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
AI Quick Actions have not been generated yet.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-101103. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart