What’s Vulnerable › Vulnerabilities

CVE-2022-1523: Fuji Electric D300win Write-what-where condition

• Severity: critical (CVSS 9.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-10-19 · updated 2026-06-17
• Weakness: CWE-123

Description

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.

Affected products

• Fuji Electric D300win: before 3.7.1.17 — fixed in 3.7.1.17

How to fix

Upgrade to a fixed version: Fuji Electric D300win 3.7.1.17. Check the vendor advisory for mitigations.

References

• https://www.cisa.gov/uscert/ics/advisories/icsa-22-242-05
• https://www.cisa.gov/uscert/ics/advisories/icsa-22-242-05

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