What is CVE-2025-50130?

CVE-2025-50130 is a high-severity vulnerability in Fuji Electric Co., Ltd. / Hakko Electronics Tellus, classified under Heap-based Buffer Overflow. CVSS score: 7.8/10. Published 2025-07-08.

How severe is CVE-2025-50130?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Fuji Electric Co., Ltd. / Hakko Electronics Tellus

CVE-2025-50130

A heap-based buffer overflow vulnerability exists in VS6Sim.exe contained in V-SFT and TELLUS provided by FUJI ELECTRIC CO., LTD. Opening V9 files or X1 files specially crafted by an attacker on the affected product may lead to arbitrary…

Vulnerability class: Buffer Overflow

EPSS: 0.002 (9.0th 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

Fuji Electric Co., Ltd. / Hakko Electronics Tellus — versions v4.0.20.0 and earlier
Fuji Electric Co., Ltd. / Hakko Electronics V-sft-6 — versions v6.2.5.0 and earlier

Weakness classification (CWE)

CWE-122 — Heap-based Buffer Overflow

References

Frequently asked questions

What is CVE-2025-50130?: CVE-2025-50130 is a high-severity vulnerability in Fuji Electric Co., Ltd. / Hakko Electronics Tellus, classified under Heap-based Buffer Overflow. CVSS score: 7.8/10. Published 2025-07-08.
How severe is CVE-2025-50130?: High severity. CVSS v3 base score is 7.8 out of 10.