CVE-2026-82783
Quick assessment
Affected
Contec Co., Ltd. Remote I/O Coupler Unit (Server Type) CPSN-MCB271-*
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
CONPROSYS nano 系列中存在“密码以明文形式存储”的问题。若该漏洞被利用，拥有产品物理访问权限的攻击者可能获取登录凭证。
Possible ATT&CK Techniques 1 AI
T1552.001 · Credentials In Files
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I. Basic Information for CVE-2026-82783
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Plaintext storage of a password issue exists in CONPROSYS nano Series . If this vulnerability is exploited, an attacker with physical access to the product may obtain credentials.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
明文存储口令
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Contec Co., Ltd. | Remote I/O Coupler Unit (Server Type) CPSN-MCB271-* | 0 ~ 1.82 | - |
|
| Contec Co., Ltd. | Remote I/O Coupler Unit (EtherNet/IP Adapter) CPSN-EOB471EI-[]1 | 0 ~ 1.02 | - |
|
| Contec Co., Ltd. | Programmable Remote I/O Coupler Unit (Software PLC Type) CPSN-PCB271-S1-041 | 0 ~ 1.61 | - |
|
II. Public POCs for CVE-2026-82783
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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No public POC found.
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Vendor Advisories for CVE-2026-82783 (1)
Other References for CVE-2026-82783 (1)
Same Patch Batch · Contec Co., Ltd. · 2026-09-14 · 32 CVEs total
| CVE-2026-82787 | 9.8 CRITICAL | CPSL-08P1EN 关键函数缺失认证 |
| CVE-2026-82794 | 8.8 HIGH | SolarView Compact调度设置OS命令注入漏洞 |
| CVE-2026-82777 | 8.8 HIGH | CONPROSYS PAC Series OS命令注入漏洞 |
| CVE-2026-82770 | 8.8 HIGH | Contec RP-WAH-SR 缓冲区溢出远程代码执行漏洞 |
| CVE-2026-82791 | 8.8 HIGH | Contec CAN 2.0B 操作系统命令注入漏洞 |
| CVE-2026-82762 | 8.8 HIGH | Contec FX系列OS命令注入漏洞 |
| CVE-2026-82766 | 8.8 HIGH | SGA1000存在操作系统命令注入漏洞 |
| CVE-2026-82774 | 8.8 HIGH | CONPROSYS M2M系列OS命令注入漏洞 |
| CVE-2026-82772 | 8.8 HIGH | Contec EC1000系列Web服务堆溢出漏洞 |
| CVE-2026-82765 | 8.1 HIGH | Contec FX系列FTP路径遍历漏洞 |
| CVE-2026-82768 | 8.1 HIGH | SGA1000存在路径遍历漏洞 |
| CVE-2026-82793 | 7.2 HIGH | Contec CAN 2.0B 危险文件上传致任意代码执行 |
| CVE-2026-82784 | 6.5 MEDIUM | CPSN-MCB271未认证REST API导致I/O被控 |
| CVE-2026-82786 | 6.3 MEDIUM | 施耐德CPSN-MCB271凭证保护不足致信息泄露 |
| CVE-2026-82773 | 6.1 MEDIUM | CONPROSYS M2M Gateway 跨站脚本漏洞 |
| CVE-2026-82776 | 6.1 MEDIUM | CONPROSYS PAC系列跨站脚本漏洞 |
| CVE-2026-82788 | 6.1 MEDIUM | CPSL-08P1EN 跨站脚本漏洞 |
| CVE-2026-82781 | 5.4 MEDIUM | CONPROSYS nano系列跨站脚本漏洞 |
| CVE-2026-82796 | 5.4 MEDIUM | SolarView Compact图片管理模块跨站脚本执行命令漏洞 |
| CVE-2026-82790 | 5.4 MEDIUM | 研华PC-HELPER DIO-0404RY系列跨站脚本漏洞 |
Showing top 20 of 32 CVEs. View all on vendor page → →
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V. Comments for CVE-2026-82783
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