What is CVE-2022-1523?

CVE-2022-1523 is a medium-severity vulnerability in Fuji Electric D300win, classified under Write-what-where Condition. CVSS score: 6.1/10. Published 2022-10-19.

How severe is CVE-2022-1523?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Buffer overflow in Fuji Electric D300win

CVE-2022-1523

Fuji Electric D300win prior to version 3.7.1.17 is vulnerable to a write-what-where condition, which could allow an attacker to overwrite program memory to manipulate the flow of information.

Published 2022-10-19 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.005 (42.0th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 42.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000

Affected products

Fuji Electric D300win — versions 3.7.1.16
Fujielectric D300win

Weakness classification (CWE)

References

www.cisa.gov/uscert/ics/advisories/icsa-22-242-05 (US Government Resource, Third Party Advisory)

Frequently asked questions

What is CVE-2022-1523?: CVE-2022-1523 is a medium-severity vulnerability in Fuji Electric D300win, classified under Write-what-where Condition. CVSS score: 6.1/10. Published 2022-10-19.
How severe is CVE-2022-1523?: Medium severity. CVSS v3 base score is 6.1 out of 10.