Fuji Electric V-SFT up to 6.2.7.0 V-SFT File Parser WinFontDynStrCheck out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Fuji Electric V-SFT up to 6.2.7.0. Affected by this issue is the function CItemExChange::WinFontDynStrCheck of the component V-SFT File Parser. Such manipulation leads to out-of-bounds write. This vulnerability is listed as CVE-2025-61857. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in Fuji Electric V-SFT up to 6.2.7.0. It has been rated as critical. Affected by this issue is the function CItemExChange::WinFontDynStrCheck of the component V-SFT File Parser. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

An out-of-bounds write vulnerability exists in VS6ComFile!CItemExChange::WinFontDynStrCheck of V-SFT v6.2.7.0 and earlier. Opening specially crafted V-SFT files may lead to information disclosure, affected system's abnormal end (ABEND), and arbitrary code execution.

The advisory is available at monitouch.fujielectric.com. This vulnerability is handled as CVE-2025-61857 since 10/02/2025. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 10/10/2025).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 7.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.8
CNA Vector (jpcert): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

10/02/2025 CVE reserved
10/10/2025 +8 days Advisory disclosed
10/10/2025 +0 days VulDB entry created
10/10/2025 +0 days VulDB entry last update

Sourcesinfo

Advisory: monitouch.fujielectric.com
Status: Not defined

CVE: CVE-2025-61857 (🔒)
GCVE (CVE): GCVE-0-2025-61857
GCVE (VulDB): GCVE-100-327878

Entryinfo

Created: 10/10/2025 13:29
Changes: 10/10/2025 13:29 (75)
Complete: 🔍
Cache ID: 216::103

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