Deserialization of Untrusted Data in FRENIC-Loader 4 - CVE-2025-9365

 

Deserialization of Untrusted Data in FRENIC-Loader 4 - CVE-2025-9365

Published: October 6, 2025


Vulnerability identifier: #VU116608
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2025-9365
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Fuji Electric
Affected software:
FRENIC-Loader 4

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insecure input validation when processing serialized data within the parsing of EXRTM, EXHIM or EXTBM files. A remote attacker can trick a victim to open a specially crafted file and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2025-9365

Install updates from vendor's website.

Sources