SB2025111908 - Insecure DLL loading in NEC Corporation RakurakuMusen Start EX for Windows
Published: November 19, 2025
Security Bulletin ID
SB2025111908
CSH Severity
High
Patch available
NO
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Insecure DLL loading (CVE-ID: CVE-2025-12852)
CWE-ID: CWE-427 - Uncontrolled Search Path Element
CVSSv4: 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
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to the application loads DLL libraries in an insecure manner within the installer. A remote attacker can place a specially crafted .dll file and execute arbitrary code on the system.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.