CVE-2020-27891

Name of the Vulnerable Software and Affected Versions Texas Instruments CC2538 devices with Z-Stack version 3.0.1

Description The Zigbee protocol implementation does not properly process a ZCL Read Reporting Configuration Response message, causing it to crash in the zclHandleExternal() function.

Recommendations For Texas Instruments CC2538 devices with Z-Stack version 3.0.1, consider disabling the zclHandleExternal() function as a temporary workaround until a patch is available. Restrict access to the ZCL Read Reporting Configuration Response message to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this issue.