Siemens SCALANCE W700/W1700 CVE-2018-14526 Information Disclosure Vulnerability



Date Discovered

December 10, 2019


Siemens SCALANCE W700 and W1700 is prone to an information disclosure vulnerability. An attacker can exploit this issue to obtain sensitive information. Successful exploits may lead to other attacks. The following versions of SCALANCE W700 and W1700 are affected: Siemens SCALANCE W700 versions 6.3 and prior Siemens SCALANCE W1700 versions 1.0 and prior

Technologies Affected

  • Siemens Scalance W1700 Series Firmware 1.0
  • Siemens Scalance W700 Series Firmware 6.3


Block external access at the network boundary, unless external parties require service.
If global access isn't needed, filter access to the affected computer at the network boundary. Restricting access to only trusted computers and networks might greatly reduce the likelihood of successful exploits.

Run all software as a nonprivileged user with minimal access rights.
To reduce the impact of latent vulnerabilities, run all applications with the minimal amount of privileges required for functionality.

Deploy network intrusion detection systems to monitor network traffic for malicious activity.
Deploy NIDS to monitor network traffic for signs of anomalous or suspicious activity. This includes but is not limited to requests that include suspicious URI sequences.

Communicate sensitive information over encrypted channels.
Ensure that only encrypted channels are used for communicating sensitive information.

Updates are available. Please see the references or vendor advisory for more information.




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