CVE-2021-27562
CISA KEV
ACT NOW
Priority: 0.00
BB Relevance:
0/100
Published: N/A
Modified: N/A
First seen: 2026-10-29
Status: pending_score
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.
CISA Known Exploited Vulnerability
Vendor / Product
Arm — Trusted Firmware
Date Added
2021-11-03
Remediation Due
2021-11-17
https://nvd.nist.gov/vuln/detail/CVE-2021-27562