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.
Fix
Vendor advisories in the News 1
- HMS Networks PEAK-System PCAN Windows drivers CISA ICS Advisories · 2026-10-20
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
In the news 1
Change history 4
- StatusAwaiting Analysis → PublishedNVD modified 2026-10-30 16:13
- StatusPublished → Awaiting AnalysisNVD modified 2026-10-22 17:36
- StatusReceived → PublishedNVD modified 2026-10-20 20:23
- First seenCVSS 6.9NVD modified 2026-10-20 21:17
Affected (CPE criteria) 0
NVD has not attached CPE configurations yet.