Out-of-bounds Read in Keyence Vt Studio

CVE-2025-61691

VT STUDIO versions 8.53 and prior contain an out-of-bounds read vulnerability. If the product uses a specially crafted file, arbitrary code may be executed on the affected product.

Vulnerability class: Buffer Overflow

EPSS: 0.001 (3.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-61691?
CVE-2025-61691 is a high-severity vulnerability in Keyence Vt Studio, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2025-10-02.
How severe is CVE-2025-61691?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2025-61691 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.