What’s Vulnerable › Vulnerabilities

CVE-2026-82765

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-14 · updated 2026-09-16
• Weakness: CWE-23

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. FXA3000: before 1.20.00 — fixed in 1.20.00
• Contec Co., Ltd. FXA3000-[][]: before 1.20.00 — fixed in 1.20.00
• Contec Co., Ltd. FXA3020: before 1.20.00 — fixed in 1.20.00
• Contec Co., Ltd. FXA3020-[][]: before 1.20.00 — fixed in 1.20.00
• Contec Co., Ltd. FXA3200: before 1.20.00 — fixed in 1.20.00
• Contec Co., Ltd. FXA5000: before 1.12.00 — fixed in 1.12.00
• Contec Co., Ltd. FXA5020: before 1.12.00 — fixed in 1.12.00
• Contec Co., Ltd. FXA5020-[][]: before 1.12.00 — fixed in 1.12.00
• Contec Co., Ltd. FXE3000: before 1.20.00 — fixed in 1.20.00
• Contec Co., Ltd. FXE3000-[][]: before 1.20.00 — fixed in 1.20.00
• Contec Co., Ltd. FXE3000-WP: before 1.20.00 — fixed in 1.20.00
• Contec Co., Ltd. FXE4000: before 1.14.00 — fixed in 1.14.00
• Contec Co., Ltd. FXE4000-WP: before 1.14.00 — fixed in 1.14.00
• Contec Co., Ltd. FXE5000: before 1.12.00 — fixed in 1.12.00
• Contec Co., Ltd. FXE5000-[][]: before 1.12.00 — fixed in 1.12.00
• Contec Co., Ltd. FXS300[]-CN: before 1.20.00 — fixed in 1.20.00
• Contec Co., Ltd. FXS4000: before 1.14.00 — fixed in 1.14.00
• Contec Co., Ltd. FXS4020: before 1.14.00 — fixed in 1.14.00
• Contec Co., Ltd. FXS5000-[][]: before 1.12.00 — fixed in 1.12.00
• Contec Co., Ltd. FXS5021: before 1.12.00 — fixed in 1.12.00

How to fix

Upgrade to a fixed version: Contec Co., Ltd. FXA3000 1.20.00; Contec Co., Ltd. FXA3000-[][] 1.20.00; Contec Co., Ltd. FXA3020 1.20.00; Contec Co., Ltd. FXA3020-[][] 1.20.00; Contec Co., Ltd. FXA3200 1.20.00; Contec Co., Ltd. FXA5000 1.12.00; Contec Co., Ltd. FXA5020 1.12.00; Contec Co., Ltd. FXA5020-[][] 1.12.00; Contec Co., Ltd. FXE3000 1.20.00; Contec Co., Ltd. FXE3000-[][] 1.20.00; Contec Co., Ltd. FXE3000-WP 1.20.00; Contec Co., Ltd. FXE4000 1.14.00. Check the vendor advisory for mitigations.

References

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

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