Riskcovery

CVE-2026-103672

HMS Networks PEAK-System PCAN Windows drivers Improper Validation of Array Index

State
Published
Severity
6.9 Medium
Published
Oct 20, 2026
Updated
Oct 30, 2026
Reserved
Oct 15, 2026

Read the record on cve.org

Description

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.

Scores

CVSSScoreVectorSource
4.06.9 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:Nicscert
3.17.1 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:Hicscert

Weaknesses

Affected Products

ProductVersions
PEAK-System Device Driver SetupHMS Networks
  • 5.1.2.1151 and earlierAffected
  • 5.1.4Not affected
PCAN Windows CAN device driversHMS Networks
  • 5.1.2 and earlierAffected
  • 5.1.4Not affected

References

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