Disclosure summary
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.
CISA remediation guidance
Apply updates per vendor instructions.
Original records & references
PUBLISHED 2021-11-03T00:00:00-04:00
MODIFIED 2021-11-03T00:00:00-04:00
INGESTED 2026-10-06T11:42:59-04:00