Description
Arm Trusted Firmware contains an out-of-bounds write vulnerability allowing the non-secure (NS) world to trigger a system halt, overwrite secure data, or print out secure data when calling secure functions under the non-secure processing environment (NSPE) handler mode. This vulnerability affects Yealink Device Management servers.
Recommended action
Apply updates per vendor instructions.
CISA remediation due date for U.S. federal agencies: 17 Nov 2021.
Collected automatically from public sources. Verify affected versions and fixes in the vendor's notice before acting.