A AegiFlow
UNKNOWNKNOWN EXPLOITED

CVE-2021-27562

Arm Trusted Firmware Out-of-Bounds Write Vulnerability

Published
2021-11-03
Modified
2026-07-31
Sources
cisa-kev

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.

References

Includes data from the CISA Known Exploited Vulnerabilities catalog.

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