---
id: CVE-2026-82780
title: >-
  Unrestricted upload of file with dangerous type issue exists in CONPROSYS TM
  Series
summary: >-
  Unrestricted upload of file with dangerous type issue exists in CONPROSYS TM
  Series. If a specially crafted file is uploaded by a remote authenticated
  attacker, an arbitrary command may be executed on the product.
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-434
vendor: 'Contec Co., Ltd'
product: CPS-TM341G5MB-ADSC1-931
affected:
  - CPS-TM341G5MB-ADSC1-931 < 2.19
  - CPS-TM341MB-ADSC1-931 < 2.19
  - CPS-TM341GMB-ADSC1-931 < 2.19
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-2026-82780'
references:
  - url: 'https://jvn.jp/en/vu/JVNVU96551518/'
    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
tags:
  - nvd
  - cve.org
epss: 0.00606
epssPercentile: 0.4674
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-14T11:06:42.425556Z'
ingestedAt: '2026-09-14T15:23:07.462Z'
---

## Overview

Unrestricted upload of file with dangerous type issue exists in CONPROSYS TM Series. If a specially crafted file is uploaded by a remote authenticated attacker, an arbitrary command may be executed on the product.

## Remediation

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