What is CVE-2019-12898?

CVE-2019-12898 is a critical-severity vulnerability in Deltaww Devicenet Builder, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2019-06-19.

How severe is CVE-2019-12898?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Deltaww Devicenet Builder

CVE-2019-12898

Delta Electronics DeviceNet Builder 2.04 has a User Mode Write AV starting at image00400000+0x000000000017a45e.

Vulnerability class: Buffer Overflow

Published 2019-06-19 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.017 (77.5th percentile), scored 2026-10-26.

Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 77.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000

Affected products

Deltaww Devicenet Builder — versions 2.04

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

code610.blogspot.com/2019/05/crashing-devicenet-builder.html (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2019-12898?: CVE-2019-12898 is a critical-severity vulnerability in Deltaww Devicenet Builder, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2019-06-19.
How severe is CVE-2019-12898?: Critical severity. CVSS v3 base score is 9.8 out of 10.