Vulnerability · Published Jul 8, 2025 · Assigned by jpcert
CVE-2025-50130
High 7.8
In plain English
A high-severity heap buffer overflow in TELLUS from FUJI ELECTRIC CO., LTD. / Hakko Electronics Co., Ltd.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities).
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.2%top 86.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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 code execution.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| FUJI ELECTRIC CO., LTD. / Hakko Electronics Co., Ltd. | V-SFT-6 | v6.2.5.0 and earlier |
| FUJI ELECTRIC CO., LTD. / Hakko Electronics Co., Ltd. | TELLUS | v4.0.20.0 and earlier |
Weakness: CWE-122 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H