CVE-2025-47749

Code execution via invalid pointer release

Published May 19, 2025 · Updated May 19, 2025

Invalid-pointer release in Fuji Electric V-SFT 6.2.5.0 and earlier allows local users to execute code via a crafted V7 or V8 file. The CWinFontInf::WinFontMsgCheck function in VS6EditData.dll frees a pointer that does not reference the start of its buffer while parsing the file. Exploitation requires a user to open the file and grants code execution in the editor process, with data disclosure or a crash also possible.

CVSS severity7.8
High
EPSS probability0.22%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Invalid-pointer release in Fuji Electric V-SFT 6.2.5.0 and earlier allows local users to execute code via a crafted V7 or V8 file. The CWinFontInf::WinFontMsgCheck function in VS6EditData.dll frees a pointer that does not reference the start of its buffer while parsing the file. Exploitation requires a user to open the file and grants code execution in the editor process, with data disclosure or a crash also possible.

The record

CVE
CVE-2025-47749
Published
May 19, 2025
Updated
May 19, 2025
Vendor
Fuji Electric
Product
V-SFT
Classifications
CWE-761, T1204.002
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 19, 2025CVE publishedPublication date reported by the CVE source.
  2. May 19, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=v6.2.5.0 and earlier

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Fuji Electric · V-SFTversion=v6.2.5.0 and earlier

Published CVSS scores

8.4JPCERT/CCCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
7.8JPCERT/CCCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-761Free of Pointer not at Start of Buffer
T1204.002Malicious File

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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