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.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00316.

Exploitation none

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Contec Co., Ltd. FXA5000 unaffected
Version Status Constraints
0 affected < 1.12.00
Contec Co., Ltd. FXA5020 unaffected
Version Status Constraints
0 affected < 1.12.00
Contec Co., Ltd. FXA5020-[][] unaffected
Version Status Constraints
0 affected < 1.12.00
Contec Co., Ltd. FXE5000 unaffected
Version Status Constraints
0 affected < 1.12.00
Contec Co., Ltd. FXE5000-[][] unaffected
Version Status Constraints
0 affected < 1.12.00
Contec Co., Ltd. FXS5000-[][] unaffected
Version Status Constraints
0 affected < 1.12.00
Contec Co., Ltd. FXS5021 unaffected
Version Status Constraints
0 affected < 1.12.00
Contec Co., Ltd. FXE4000 unaffected
Version Status Constraints
0 affected < 1.14.00
Contec Co., Ltd. FXE4000-WP unaffected
Version Status Constraints
0 affected < 1.14.00
Contec Co., Ltd. FXS4000 unaffected
Version Status Constraints
0 affected < 1.14.00
Contec Co., Ltd. FXS4020 unaffected
Version Status Constraints
0 affected < 1.14.00
Contec Co., Ltd. FXA3000 unaffected
Version Status Constraints
0 affected < 1.20.00
Contec Co., Ltd. FXA3000-[][] unaffected
Version Status Constraints
0 affected < 1.20.00
Contec Co., Ltd. FXA3020 unaffected
Version Status Constraints
0 affected < 1.20.00
Contec Co., Ltd. FXA3020-[][] unaffected
Version Status Constraints
0 affected < 1.20.00
Contec Co., Ltd. FXA3200 unaffected
Version Status Constraints
0 affected < 1.20.00
Contec Co., Ltd. FXE3000 unaffected
Version Status Constraints
0 affected < 1.20.00
Contec Co., Ltd. FXE3000-[][] unaffected
Version Status Constraints
0 affected < 1.20.00
Contec Co., Ltd. FXE3000-WP unaffected
Version Status Constraints
0 affected < 1.20.00
Contec Co., Ltd. FXS300[]-CN unaffected
Version Status Constraints
0 affected < 1.20.00

No data.

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Project Subscriptions

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://jvn.jp/en/vu/JVNVU99009004/ cve-icon cve-icon
https://www.contec.com/api/downloadlogger?download=/-/media/Contec/support/security-info/2026/contec_security_fl_26091000_en.pdf cve-icon cve-icon
History

Tue, 15 Sep 2026 15:15:00 +0000

Type Values Removed Values Added
Title Path Traversal in Contec FX Series FTP Service Allows File Disclosure and Modification

Mon, 14 Sep 2026 22:00:00 +0000

Type Values Removed Values Added
Title FTP Path Traversal Enabling Arbitrary File Access in Contec FX Series Devices

Mon, 14 Sep 2026 21:00:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Mon, 14 Sep 2026 11:15:00 +0000

Type Values Removed Values Added
Title FTP Path Traversal Enabling Arbitrary File Access in Contec FX Series Devices

Mon, 14 Sep 2026 07:00:00 +0000

Type Values Removed Values Added
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.
Weaknesses CWE-23
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N'}

cvssV4_0

{'score': 8.6, 'vector': '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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: jpcert

Published:

Updated: 2026-09-14T14:51:54.016Z

Reserved: 2026-08-31T02:30:58.276Z

Link: CVE-2026-82765

cve-icon Vulnrichment

Updated: 2026-09-14T14:51:50.309Z

cve-icon NVD

Status : Received

Published: 2026-09-14T07:17:17.553

Modified: 2026-09-14T15:17:11.280

Link: CVE-2026-82765

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-15T15:00:17Z

Weaknesses