EUVD-2025-18642CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Lifecycle Timeline
3DescriptionNVD
Fuji Electric Smart Editor is vulnerable to an out-of-bounds write, which may allow an attacker to execute arbitrary code.
AnalysisAI
Fuji Electric Smart Editor contains an out-of-bounds write vulnerability (CWE-787) that allows local attackers with user-level privileges to execute arbitrary code by crafting malicious input files. The vulnerability affects Smart Editor with a CVSS score of 7.8 (high severity), requiring user interaction (opening a malicious file) but no elevated privileges. Without confirmed KEV, EPSS, or public POC data in the provided intelligence, the real-world exploitation likelihood should be assessed as moderate-to-high given the local attack vector and file-based interaction model typical of engineering software.
Technical ContextAI
Fuji Electric Smart Editor is a configuration and programming tool used for industrial control systems and Programmable Logic Controllers (PLCs). The vulnerability exists in the application's file parsing or data processing logic where insufficient bounds checking on write operations allows an attacker to write data beyond allocated memory buffers. CWE-787 (Out-of-bounds Write) is a memory corruption flaw that can lead to heap/stack overflow conditions. The affected software likely processes project files, configuration exports, or ladder logic diagrams in proprietary or semi-standard formats (such as XML or binary project files). Exploitation occurs when Smart Editor attempts to deserialize or parse untrusted file content without validating buffer boundaries, a common weakness in legacy industrial software that predates modern memory-safe development practices.
RemediationAI
Immediate actions: (1) Check Fuji Electric's official security advisory (contact Fuji Electric support or monitor their product security page) for patched versions; (2) If patch available, upgrade Smart Editor to the minimum patched version immediately, prioritizing systems managing critical infrastructure; (3) If patch unavailable, implement compensating controls: restrict Smart Editor to trusted project file sources only, disable file auto-open features, require code review/scanning of project files before opening, enforce least-privilege user access to the application, and isolate systems running Smart Editor on network segments; (4) Monitor for suspicious file modifications or unexpected Smart Editor crashes (potential exploitation attempts); (5) Establish a process to scan project files with security tools before opening in Smart Editor (if such tools exist). Reference: Fuji Electric Product Security Center or direct vendor contact for advisory URL and patch availability timeline.
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External POC / Exploit Code
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