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ICS Advisories

Advisories specifically aimed at industrial control systems — from CISA ICS-CERT and directly from vendors (including Siemens, ABB, Schneider Electric, WAGO and Phoenix Contact) — including revision history (initial publication, Update A, Update B) and linked CVEs.

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Advisory data: live connection— last retrieved: 7 November 2026 at 03:07.

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VDE-2022-008

WEIDMUELLER: Multiple vulnerabilities in Modbus TCP/RTU Gateways

Weidmüller — IE-GW-MB-2TX-1RS232/485

Weidmüller PSIRTcritical

Published

7 April 2022

Last update

7 April 2022

Affected sectors

Risk evaluation

Multiple issues have been found in the affected products. See CVE descriptions for details.

Mitigation summary

For all potential vulnerabilities, customers can download a patched firmware to secure their Modbus TCP/RTU Gateways properly. Please download and install the latest firmware for your device by following the procedure below: 1. Go to [www.weidmueller.com](https://www.weidmueller.com) (external link). 2. Enter the product number of the Modbus TCP/RTU Gateway you want to update into the search field and press "Enter". 3. On the next page, expand the drop-down menu **"SHOW DOWNLOADS"**. 4. Download the respective firmware from the download table. 5. Install the firmware on your device. Find below the appropriate patched firmware versions for all affected products: | Product number | Product name | Patched firmware version | |----------------|-------------------------------|------------------------------| | 1504460000 | IE-GW-MB-2TX-1RS232/485 | V2.1 (Build 21072817) | | 1504470000 | IE-GWT-MB-2TX-1RS232/485 | V2.1 (Build 21072817) |

Revision history (1)
  1. Initial publication — 7 April 2022

    Initial revision.

Official source: Weidmüller PSIRT