What’s Vulnerable › Vulnerabilities

CVE-2026-82764

• Severity: medium (CVSS 5.1 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% 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-352

Description

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.

Affected products

• Contec Co., Ltd. ECE1000: before 1.02 — fixed in 1.02
• Contec Co., Ltd. ECE1020: before 1.02 — fixed in 1.02
• Contec Co., Ltd. ECS1020: before 1.02 — fixed in 1.02
• 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
• Contec Co., Ltd. PC-HELPER Wireless I/O DIO-0404RY-LWF: before 1.01.00 — fixed in 1.01.00
• Contec Co., Ltd. PC-HELPER Wireless I/O DIO-0404RY-LWF-US: before 1.01.00 — fixed in 1.01.00
• Contec Co., Ltd. Programmable Remote I/O Coupler Unit (Software PLC Type) CPSN-PCB271-S1-041: before 1.61 — fixed in 1.61
• Contec Co., Ltd. Remote I/O Coupler Unit (EtherNet/IP Adapter) CPSN-EOB471EI-[]1: before 1.02 — fixed in 1.02
• Contec Co., Ltd. Remote I/O Coupler Unit (Server Type) CPSN-MCB271-*: before 1.82 — fixed in 1.82
• Contec Co., Ltd. RP-WAH-SR1: before 1.03 — fixed in 1.03
• Contec Co., Ltd. RP-WAH-SR12: before 1.02 — fixed in 1.02

How to fix

Upgrade to a fixed version: Contec Co., Ltd. ECE1000 1.02; Contec Co., Ltd. ECE1020 1.02; Contec Co., Ltd. ECS1020 1.02; 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. Check the vendor advisory for mitigations.

References

• https://jvn.jp/en/vu/JVNVU90314828/
• https://jvn.jp/en/vu/JVNVU96551518/
• https://jvn.jp/en/vu/JVNVU99009004/
• https://www.contec.com/api/downloadlogger?download=/-/media/Contec/support/security-info/2026/contec_security_cps_26091000_en.pdf
• https://www.contec.com/api/downloadlogger?download=/-/media/Contec/support/security-info/2026/contec_security_fl_26091000_en.pdf
• https://www.contec.com/api/downloadlogger?download=/-/media/Contec/support/security-info/2026/contec_security_ph_26091000_en.pdf

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