Fuji Electric Monitouch V-SFT V7 File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability
Rocco Calvi
ZDI ID: ZDI-25-1064
ZDI-CAN: ZDI-CAN-27527
- CVSS
- 7.8 AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Affected Vendors
- Fuji Electric
- Affected Products
- Monitouch V-SFT
Vulnerability Details
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Fuji Electric Monitouch V-SFT. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the parsing of V7 files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.
Additional Details
Disclosure Timeline
- 2025-07-15 — Vulnerability reported to vendor
- 2025-12-10 — Coordinated public release of advisory