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Kepware Knowledge Base: Solution

Sending an Unallocated Unicode String Causes the Invensys Wonderware SuiteLink Service to Crash

Last Update: 11/7/2018

Sending an unallocated unicode string causes the Invensys Wonderware SuiteLink service to crash. The affected components are not installed by Kepware, but are utilized when establishing a SuiteLink connection.

To bypass the possibility of a crash, upgrade the Wonderware DAServer Runtime Components to version 3.0 SP3. To access this update and others, refer to the Invensys Global Technical Support WDN website at

Note: For more information on the unallocated Unicode string vulnerability, refer to ICS-ALERT-12-136-01--WONDERWARE SUITELINK UNALLOCATED UNICODE STRING.

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