CVE-2026-1773
Possible ATT&CK Techniques 1AI
T1499 · Endpoint Denial of ServiceGet alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2026-1773
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗ Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
IEC 60870-5-104: Potential Denial of Service impact on reception of invalid U-format frame. Product is only affected if IEC 60870-5-104 bi-directional functionality is configured. Enabling secure communication following IEC 62351-3 does not remediate the vulnerability but mitigates the risk of exploitation.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
不完整的黑名单
Source: NVD (National Vulnerability Database)
Vulnerability Title
Hitachi Energy RTU500 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Hitachi Energy RTU500是日本日立制作所（Hitachi）公司的一系列工控组件。 Hitachi Energy RTU500存在安全漏洞，该漏洞源于接收无效U格式帧可能导致拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Hitachi Energy | RTU500 series CMU firmware | 12.7.1 ~ 12.7.7 | - |
II. Public POCs for CVE-2026-1773
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-1773
请登录查看更多情报信息。
Same Patch Batch · Hitachi Energy · 2026-02-24 · 4 CVEs total
| CVE-2026-1772 | Hitachi Energy RTU500 安全漏洞 | |
| CVE-2026-2460 | Hitachi Energy Relion REB500 安全漏洞 | |
| CVE-2026-2459 | Hitachi Energy Relion REB500 安全漏洞 |
IV. Related Vulnerabilities
Same weakness: CWE-184
- CVE-2026-45037
Tabby: Unsafe protocol handler execution via terminal linkif - CVE-2026-42590
Gotenberg: ExifTool group-prefix syntax bypasses dangerous-t - CVE-2026-43929
ssrfcheck: Server-Side Request Forgery (SSRF) and Incomplete - CVE-2026-45006
OpenClaw < 2026.4.23 - Unsafe Config Mutation via Gateway To - CVE-2026-44993
OpenClaw < 2026.4.20 - Direct Message Misclassification in F
V. Comments for CVE-2026-1773
No comments yet