# CVE-2026-82765

## Summary

- **CVE ID:** CVE-2026-82765
- **Severity:** HIGH
- **CVSS Score:** 8.6 (CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N)
- **CWE:** CWE-23
- **Published:** Sep 14, 2026
- **Last Modified:** Sep 14, 2026

## Description

Path traversal vulnerability exists in Contec FX5000 series, FX4000 series, and FX3000 series. If this vulnerability is exploited, arbitrary files on the server may be viewed and/or altered by an attacker who can access the product via FTP.

## Affected Products

- Contec Co., Ltd. — FXA5000 (0)
- Contec Co., Ltd. — FXA5020 (0)
- Contec Co., Ltd. — FXA5020-[][] (0)
- Contec Co., Ltd. — FXE5000 (0)
- Contec Co., Ltd. — FXE5000-[][] (0)
- Contec Co., Ltd. — FXS5000-[][] (0)
- Contec Co., Ltd. — FXS5021 (0)
- Contec Co., Ltd. — FXE4000 (0)
- Contec Co., Ltd. — FXE4000-WP (0)
- Contec Co., Ltd. — FXS4000 (0)
- Contec Co., Ltd. — FXS4020 (0)
- Contec Co., Ltd. — FXA3000 (0)
- Contec Co., Ltd. — FXA3000-[][] (0)
- Contec Co., Ltd. — FXA3020 (0)
- Contec Co., Ltd. — FXA3020-[][] (0)
- Contec Co., Ltd. — FXA3200 (0)
- Contec Co., Ltd. — FXA3200-[][] (0)
- Contec Co., Ltd. — FXE3000 (0)
- Contec Co., Ltd. — FXE3000-[][] (0)
- Contec Co., Ltd. — FXE3000-WP (0)
- Contec Co., Ltd. — FXS300[]-CN (0)

## References

- [CNA](https://www.contec.com/api/downloadlogger?download=/-/media/Contec/support/security-info/2026/contec_security_fl_26091000_en.pdf)
- [CNA](https://jvn.jp/en/vu/JVNVU99009004/)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.32%
- **EPSS Percentile:** 24.5

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._