Stack-Based Buffer Overflow in V-SFT by Fujielectric
CVE-2025-61856

8.4HIGH

Key Information:

Vendor

Fuji Electric Co., Ltd. / Hakko Electronics Co., Ltd.

Status
V-sft
Vendor
CVE Published:
10 October 2025

What is CVE-2025-61856?

A stack-based buffer overflow vulnerability has been discovered in the WriteV7DataToRom function of V-SFT software, specifically in versions v6.2.7.0 and earlier. This vulnerability arises when specially crafted V-SFT files are opened, potentially leading to serious security issues such as abnormal end (ABEND) of the affected system and the possibility for an attacker to execute arbitrary code, thereby compromising system integrity and confidentiality.

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Affected Version(s)

V-SFT v6.2.7.0 and earlier

References

https://monitouch.fujielectric.com/site/download-e/09vsft...
https://jvn.jp/en/vu/JVNVU90008453/

CVSS V4

Score:
8.4
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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