What’s Vulnerable › Vulnerabilities

CVE-2026-82790

• Severity: medium (CVSS 5.4 v3.1)
• 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-79

Description

Cross-site scripting vulnerability exists in PC-HELPER Wireless I/O DIO-0404RY-LWF and PC-HELPER Wireless I/O DIO-0404RY-LWF-US. If this vulnerability is exploited, an arbitrary script may be executed on a logged-in user's web browser.

Affected products

• 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

How to fix

Upgrade to a fixed version: Contec Co., Ltd. PC-HELPER Wireless I/O DIO-0404RY-LWF 1.01.00; Contec Co., Ltd. PC-HELPER Wireless I/O DIO-0404RY-LWF-US 1.01.00. Check the vendor advisory for mitigations.

References

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

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