Hitachi Energy RTU500 NULL Pointer Dereference (CVE-2026-32776)

libexpat before 2.7.5 allows a NULL pointer dereference with empty external parameter entity content, causing Denial of Service impact. Product is only affected if IEC 61850 functionality is configured. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-...

Hitachi Energy RTU500 Infinite Loop (CVE-2026-32777)

libexpat before 2.7.5 allows an infinite loop while parsing DTD content, causing Denial of Service impact. Product is only affected if IEC 61850 functionality is configured. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information...

Hitachi Energy RTU500 NULL Pointer Dereference (CVE-2026-32778)

libexpat before 2.7.5 allows a NULL pointer dereference in the function setContext on retry after an earlier out-of-memory condition, causing Denial of Service impact. Product is only affected if IEC 61850 functionality is configured. This plugin only works with Tenable.ot. Please visit...

Hitachi Energy RTU500 Integer Overflow or Wraparound (CVE-2026-25210)

In libexpat before 2.7.4, the doContent function does not properly determine the buffer size bufSize because there is no integer overflow check for tag buffer reallocation, primarily causing Denial of Service and potentially confidentiality and integrity impact to the product. Product is only...

Hitachi Energy RTU500 NULL Pointer Dereference (CVE-2025-69421)

Processing a malformed PKCS12 file can trigger a NULL pointer dereference in the PKCS12itemdecryptd2iex function. A NULL pointer dereference can trigger a crash which leads to Denial of Service for an application processing PKCS12 files. The PKCS12itemdecryptd2iex function does not check whether...

Hitachi Energy RTU500 安全漏洞

Hitachi Energy RTU500 is a series of industrial control components developed by Hitachi, Ltd. Hitachi Energy RTU500 contains a security vulnerability; this vulnerability stems from a null pointer dereferencing when using the IEC 60870-5-104 standard in bidirectional mode, which may lead to...

Hitachi Energy RTU500

SUMMARY Hitachi Energy is aware of vulnerabilities that affect RTU500 product versions listed in this document. If exploited, these vulnerabilities primarily impact product availability, with potential secondary impacts on confidentiality and integrity. Please refer to the Recommended Immediate...

Hitachi Energy RTU500 Product Allocation of Resources Without Limits or Throttling (CVE-2025-59375)

libexpat in Expat before 2.7.2 allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsing. Product is only affected if IEC61850 functionality is configured. This plugin only works with Tenable.ot. Please visit...

Hitachi Energy RTU500 Product

SUMMARY Hitachi Energy is aware of vulnerabilities that affect RTU500 product versions listed in this document. Successful exploitation of these vulnerabilities can result in the exposure of low-value user management information and device outage. Please refer to the Recommended Immediate...

Hitachi Energy RTU500 安全漏洞

Hitachi Energy RTU500 is a series of industrial control components developed by Hitachi, Ltd. The Hitachi Energy RTU500 contains a security vulnerability; this vulnerability arises from the possibility of denial-of-service attacks due to the reception of invalid U-format frames...

Hitachi Energy RTU500 series

RISK EVALUATION Successful exploitation of these vulnerabilities could cause a Denial-of-Service condition in RTU500 devices. 2. RECOMMENDED PRACTICES CISA recommends users take defensive measures to minimize the risk of exploitation of these vulnerabilities, such as: Minimize network exposure...

Hitachi Energy RTU500 安全漏洞

RTU500 is a series of industrial control components from Hitachi, Japan, mainly used in industrial control systems. A security vulnerability exists in Hitachi Energy RTU500 series CMU Firmware, which originates from a problem in stb language file handling, and can be exploited by an attacker to...

Hitachi Energy RTU500 安全漏洞

RTU500 is a series of industrial control components from Hitachi, Japan, mainly used in industrial control systems. A security vulnerability exists in Hitachi Energy RTU500 series CMU Firmware versions 12.0.1 through 12.0.14, which is caused due to a problem in the handling of stb language files,...

The vulnerabilities of HCI (Host Controller Interface) and SCI interfaces, which operate according to the IEC 60870-5-104 standard, and are found in Hitachi Energy RTU500 programmable logic controllers, allow a perpetrator to trigger a service failure.

The vulnerabilities of HCI Host Controller Interface and SCI interfaces, which operate according to the IEC 60870-5-104 standard, in Hitachi Energy RTU500 programmable logic controllers, are related to insufficient verification of input data. Exploiting these vulnerabilities can allow an attacker...

The vulnerability of Hitachi Energy RTU500 CMU series programmable logic controllers’ web servers allows attackers to perform cross-site scripting attacks.

The vulnerability of the Hitachi Energy RTU500 CMU series programmable logic controllers’ web servers is related to the lack of protective measures for the website structure. Exploiting this vulnerability allows a remote attacker to perform cross-site scripting attacks...

Hitachi Energy RTU500 跨站脚本漏洞

RTU500 is a series of industrial control components from Hitachi, Japan, mainly used in industrial control systems. A cross-site scripting vulnerability exists in Hitachi Energy RTU500 series CMU Firmware, which originates from user input not being properly cleaned, and can be exploited by an...

Hitachi Energy RTU500 series CMU Firmware Denial of Service Vulnerability

Hitachi Energy RTU500 is a series of industrial control components from Hitachi, Japan. A denial of service vulnerability exists in Hitachi Energy RTU500 series CMU Firmware, which arises from an incomplete or incorrect layout of received APDU frames, and can be exploited by an attacker to cause ...

Hitachi Energy RTU500 跨站脚本漏洞

Hitachi Energy RTU500 is a series of industrial control components from Hitachi, Japan. A denial of service vulnerability exists in Hitachi Energy RTU500 series CMU Firmware, which arises from an incomplete or incorrect layout of received APDU frames, and can be exploited by an attacker to cause ...

Hitachi Energy RTU500 跨站脚本漏洞

RTU500 is a series of industrial control components from Hitachi, Japan, mainly used in industrial control systems. A cross-site scripting vulnerability exists in Hitachi Energy RTU500 series CMU Firmware, which originates from an RDT language file that is not properly cleaned up, and can be...

Hitachi Energy RTU500 缓冲区错误漏洞

Hitachi Energy RTU500 is a series of industrial control components from Hitachi, Ltd Hitachi, Japan. A security vulnerability exists in the Hitachi Energy RTU500 Series that stems from a stack overflow vulnerability in the HCI IEC 60870-5-104 function...