CVE-2026-103672

The PEAK-System PCAN parser indexes a length table using attacker-controlled DLC without enforcing DLC <= 0x0f, then copies attacker payload from record+0x1c into a fixed-size stack destination.

CVSS v3 7.1 HIGH

7.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.2

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

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

Configurations

No configuration.

History

20 Oct 2026, 21:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-20 21:17

Updated : 2026-10-30 17:17

NVD link : CVE-2026-103672

Mitre link : CVE-2026-103672

CVE.ORG link : CVE-2026-103672

JSON object : View

Products Affected

No product.

CWE

CWE-129

Improper Validation of Array Index

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