Vulnerability · Published Oct 20, 2026 · Assigned by icscert
CVE-2026-105960HMS Networks PEAK-System PCAN Windows drivers Improper Handling of Length Parameter Inconsistency
Medium 5.5
In plain English
A medium-severity security flaw in PCAN Windows CAN device drivers from HMS Networks. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 1% of all known vulnerabilities).
Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.1%top 98.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| HMS Networks | PEAK-System Device Driver Setup | 0 – through 5.1.2.1151 |
| HMS Networks | PCAN Windows CAN device drivers | 0 – through 5.1.2 |
Weakness: CWE-130 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H