Medium 5.5Published Oct 20, 2026

CVE-2026-105960HMS Networks PEAK-System PCAN Windows drivers Improper Handling of Length Parameter Inconsistency

Updated under an hour ago (2026-10-21 13:10 UTC)

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It affects HMS Networks PEAK-System Device Driver Setup and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for HMS Networks PEAK-System Device Driver Setup

Exploited in the last 30 days

PEAK-System PCAN contains a vulnerable operation involving a variable-length receive-record copy. The driver uses a requested or queued record count without sufficiently capping the copy to the actual caller-supplied output length.

CVSS: 5.5 MEDIUM (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-130
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: icscert
NVD analysis: Received
Record last updated: Oct 20, 2026
First seen by InfoSec Signals: Oct 20, 2026

Affected products

Affected products

HMS Networks PEAK-System Device Driver Setup hms_networks:peak_system_device_driver_setup (from the name)	through 5.1.2.1151; 5.1.4 not affected	CNA record
HMS Networks PCAN Windows CAN device drivers hms_networks:pcan_windows_can_device_drivers (from the name)	through 5.1.2; 5.1.4 not affected	CNA record

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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.