---
id: CVE-2026-82764
title: Cross-site request forgery vulnerability exists in multiple Contec products
summary: >-
  Cross-site request forgery vulnerability exists in multiple Contec products.
  If a user views a specially crafted page while logged in to the affected
  product, unintended operations may be performed.
severity: medium
cvss: 4.3
cvssVector: 'CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N'
cwe:
  - CWE-352
vendor: 'Contec Co., Ltd.'
product: FXA5000
affected:
  - FXA5000 < 1.12.00
  - FXA5020 < 1.12.00
  - 'FXA5020-[][] < 1.12.00'
  - FXE5000 < 1.12.00
  - 'FXE5000-[][] < 1.12.00'
  - 'FXS5000-[][] < 1.12.00'
  - FXS5021 < 1.12.00
  - FXE4000 < 1.14.00
  - FXE4000-WP < 1.14.00
  - FXS4000 < 1.14.00
  - FXS4020 < 1.14.00
  - FXA3000 < 1.20.00
  - 'FXA3000-[][] < 1.20.00'
  - FXA3020 < 1.20.00
  - 'FXA3020-[][] < 1.20.00'
  - FXA3200 < 1.20.00
  - FXE3000 < 1.20.00
  - 'FXE3000-[][] < 1.20.00'
  - FXE3000-WP < 1.20.00
  - 'FXS300[]-CN < 1.20.00'
  - SGA1000 < 1.02
  - RP-WAH-SR1 < 1.03
  - RP-WAH-SR2 < 1.03
  - RP-WAH-SR12 < 1.02
  - RP-WAH-SR22 < 1.02
  - ECE1000 < 1.02
  - ECE1020 < 1.02
  - ECS1020 < 1.02
  - remote_i_o_coupler_unit_server_type_cpsn-mcb271- < 1.82
  - remote_i_o_coupler_unit_ethernet_ip_adapter_cpsn-eob471ei-_1 < 1.02
  - >-
    programmable_remote_i_o_coupler_unit_software_plc_type_cpsn-pcb271-s1-041 <
    1.61
  - pc-helper_wireless_i_o_dio-0404ry-lwf < 1.01.00
  - pc-helper_wireless_i_o_dio-0404ry-lwf-us < 1.01.00
published: '2026-09-14'
updated: '2026-09-16'
sourceUpdated: '2026-09-16T19:27:25.623'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-82764'
references:
  - url: 'https://jvn.jp/en/vu/JVNVU90314828/'
    label: vultures@jpcert.or.jp
  - url: 'https://jvn.jp/en/vu/JVNVU96551518/'
    label: vultures@jpcert.or.jp
  - url: 'https://jvn.jp/en/vu/JVNVU99009004/'
    label: vultures@jpcert.or.jp
  - url: >-
      https://www.contec.com/api/downloadlogger?download=/-/media/Contec/support/security-info/2026/contec_security_cps_26091000_en.pdf
    label: vultures@jpcert.or.jp
  - url: >-
      https://www.contec.com/api/downloadlogger?download=/-/media/Contec/support/security-info/2026/contec_security_fl_26091000_en.pdf
    label: vultures@jpcert.or.jp
  - url: >-
      https://www.contec.com/api/downloadlogger?download=/-/media/Contec/support/security-info/2026/contec_security_ph_26091000_en.pdf
    label: vultures@jpcert.or.jp
tags:
  - nvd
  - cve.org
epss: 0.00195
epssPercentile: 0.08274
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-14T11:10:02.905024Z'
ingestedAt: '2026-09-14T15:23:07.461Z'
---

## Overview

Cross-site request forgery vulnerability exists in multiple Contec products. If a user views a specially crafted page while logged in to the affected product, unintended operations may be performed.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.