CVE-2025-61863: FUJI ELECTRIC CO., LTD. / Hakko Electronics V-SFT · Out-of-bounds Read
Affects FUJI ELECTRIC CO., LTD. / Hakko Electronics V-SFTSource CVE Database V5
Not known to be exploited · CVSS 7.8 High.
Data as of 26 Oct 2026, 14:05 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 6% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 10 Oct 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| FUJI ELECTRIC CO., LTD. / Hakko Electronics Co., Ltd. V-SFT | Affected
| Fixed in– |
AI-suggested
Organizations should immediately identify all instances of V-SFT version 6.2.7.0 and earlier in their environments and prioritize upgrading to a patched version once available from FUJI ELECTRIC or Hakko Electronics. Until patches are released, restrict access to V-SFT files and enforce strict file validation and scanning policies to prevent opening malicious files. Implement application whitelisting and sandboxing to limit the impact of potential exploitation. Train users to recognize and avoid opening suspicious or unsolicited V-SFT files. Monitor systems for abnormal application behavior or crashes indicative of exploitation attempts. Additionally, employ network segmentation to isolate industrial control systems and limit lateral movement. Engage with vendors for timely updates and consider deploying endpoint detection and response (EDR) tools capable of detecting anomalous memory access patterns related to out-of-bounds reads.
Description
An out-of-bounds read vulnerability exists in VS6ComFile!CSaveData::delete_mem 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.