CVE-2026-8065
Quick assessment
Affected
Hitachi Energy RTU500 series CMU firmware
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.
Hitachi Energy RTU500 固件更新端点中存在一个身份验证绕过漏洞，允许未经身份验证的攻击者通过构造特定的 POST 请求上传任意固件。成功利用该漏洞可能导致攻击者修改设备功能，或损害设备的完整性和可用性。
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I. Basic Information for CVE-2026-8065
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An authentication bypass vulnerability in the firmware update endpoint of Hitachi Energy RTU500 end-of-life versions allows an unauthenticated attacker to upload arbitrary firmware through a crafted POST request. Successful exploitation could allow the attacker to modify device functionality or compromise the integrity or availability of the device.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Hitachi Energy | RTU500 series CMU firmware | 9.0 ~ 12.0 | - |
|
II. Public POCs for CVE-2026-8065
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2026-8065 (1)
Same Patch Batch · Hitachi Energy · 2026-09-29 · 5 CVEs total
| CVE-2026-8066 | 9.1 CRITICAL | CVE-2026-8066 |
| CVE-2026-7395 | 8.5 HIGH | Asset Suite HTTPPublishAdapterTestServlet未授权访问漏洞 |
| CVE-2026-8067 | 6.5 MEDIUM | CVE-2026-8067 |
| CVE-2026-11796 | 5.1 MEDIUM | Asset Suite未授权访问Servlet致拒绝服务漏洞 |
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V. Comments for CVE-2026-8065
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