CVE-2025-9365: Fuji Electric FRENIC-Loader 4 Deserialization of Untrusted Data

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-09-03 · updated 2026-06-17
Weakness: CWE-502

Description

Fuji Electric FRENIC-Loader 4 is vulnerable to a deserialization of untrusted data when importing a file through a specified window, which may allow an attacker to execute arbitrary code.

Affected products

Fuji Electric FRENIC-Loader 4: before 1.4.0.1 — fixed in 1.4.0.1

How to fix

Upgrade to a fixed version: Fuji Electric FRENIC-Loader 4 1.4.0.1. Check the vendor advisory for mitigations.

References

https://felib.fujielectric.co.jp/en/M10009/M20029/document_detail/b2f23970-e560-4961-8013-fc72be43681a
https://www.cisa.gov/news-events/ics-advisories/icsa-25-245-02

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