Fuji Electric FRENIC-Loader 4 Deserialization Vulnerability
⚠️ Fuji Electric's FRENIC-Loader 4 (versions prior to 1.4.0.1) contains a deserialization of untrusted data vulnerability (CVE-2025-9365) that can allow arbitrary code execution when a crafted file is imported. CISA assigns a CVSS v4 base score of 8.4 and reports the issue has low attack complexity but is not remotely exploitable. Researcher kimiya, working with Trend Micro ZDI, reported the flaw. Fuji Electric advises updating to v1.4.0.1 and CISA recommends network segmentation, minimizing exposure, using up-to-date VPNs, and performing impact analysis.
