CVE-2026-35226 Out-of-bounds Write in CODESYS PROFINET Controller

An out‑of‑bounds write vulnerability in the CODESYS PROFINET Controller allows an unauthenticated attacker on the same network segment to send malformed PROFINET communication data that triggers an exception in the affected PLC application. The exception is handled by the CODESYS Control runtime...

Siemens SIMATIC S7-1500 CPU 1518 MFP Improper Input Validation (CVE-2025-68337)

This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C Tenable, Inc. include'compat.inc'; if description scriptid505669; scriptversion"1.4"; scriptsetattributeattribute:"pluginmodificationdate",...

Siemens SIMATIC S7-1500 CPU 1518 MFP Improper Input Validation (CVE-2025-39721)

This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C Tenable, Inc. include'compat.inc'; if description scriptid505738; scriptversion"1.3"; scriptsetattributeattribute:"pluginmodificationdate",...

Iranian-Affiliated Cyber Actors Exploit Programmable Logic Controllers across US Critical Infrastructure

The authoring agencies urgently warn U.S. organizations of ongoing Iranian-affiliated cyber targeting of internet-connected operational technology OT devices, including programmable logic controllers PLCs. These actions disrupted PLCs across several U.S. critical infrastructure sectors through...

CVE-2026-12819

Delta Electronics DVP12SE PLC exposes a Modbus TCP service over a specified port without authentication or access control, permitting unauthenticated interaction with security-sensitive PLC functions...

CVE-2026-25786

Affected devices do not properly validate and sanitize PLC/station name rendered on the "communication" parameters page of the web interface. This could allow an authenticated attacker who is authorized to download a TIA project into the product, to inject malicious scripts into the page. If a...

CVE-2026-25293

Buffer overflow due to incorrect authorization in PLC FW...

EUVD-2026-29426

Affected devices do not properly validate and sanitize PLC/station name rendered on the "communication" parameters page of the web interface. This could allow an authenticated attacker who is authorized to download a TIA project into the product, to inject malicious scripts into the page. If a...

Siemens SIMATIC S7 PLC Web Server

SUMMARY SIMATIC S7 PLCs contain multiple vulnerabilities in the web server that could allow an attacker to perform cross-site scripting attacks. Siemens has released new versions for several affected products and recommends to update to the latest versions. Siemens is preparing further fix...

CVE-2026-25293

Buffer overflow due to incorrect authorization in PLC FW...

CVE-2026-25293 Incorrect authorization in PLC FW

Buffer overflow due to incorrect authorization in PLC FW...

CVE-2026-25293

CVE-2026-25293 : A buffer overflow due to incorrect authorization is reported in PLC FW. Affected component is the PLC firmware; the root cause is improper authorization checks leading to memory corruption. The CVSS 3.1 vector indicates adjacent access, no privileges required, no user interaction...

EUVD-2026-26992

Buffer overflow due to incorrect authorization in PLC FW...

CVE-2026-25293

Buffer overflow due to incorrect authorization in PLC FW...

CVE-2026-6284

An attacker with network access to the PLC is able to brute force discover passwords to gain unauthorized access to systems and services. The limited password complexity and no password input limiters makes brute force password enumeration possible...

EUVD-2026-23442

An attacker with network access to the PLC is able to brute force discover passwords to gain unauthorized access to systems and services. The limited password complexity and no password input limiters makes brute force password enumeration possible...

CVE-2026-6284

An attacker with network access to the PLC is able to brute force discover passwords to gain unauthorized access to systems and services. The limited password complexity and no password input limiters makes brute force password enumeration possible...

CVE-2026-6284

An attacker with network access to the PLC is able to brute force discover passwords to gain unauthorized access to systems and services. The limited password complexity and no password input limiters makes brute force password enumeration possible...

CVE-2026-6284 Horner Automation Cscape and XL4, XL7 PLC Weak password requirements

An attacker with network access to the PLC is able to brute force discover passwords to gain unauthorized access to systems and services. The limited password complexity and no password input limiters makes brute force password enumeration possible...

EUVD-2024-17238

An authenticated remote attacker with high privileges can exploit the OpenVPN configuration via the web-based management interface of a WAGO PLC. If user-defined scripts are permitted, OpenVPN may allow the execution of arbitrary shell commands enabling the attacker to run arbitrary commands on t...