CVE-2025-4277

EUVD-2025-24532
Tcg2Smm has a vulnerability which can be used to write arbitrary memory inside SMRAM and execute arbitrary code at SMM level.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
InsydeCNA
7.5 HIGH
LOCAL
HIGH
HIGH
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
insydeinsydeh2o
𝑥
< 5.2A.21
CNA
insydeinsydeh2o
𝑥
< 5.39.21
CNA
insydeinsydeh2o
𝑥
< 5.47.21
CNA
insydeinsydeh2o
𝑥
< 5.55.21
CNA
insydeinsydeh2o
𝑥
< 5.62.21
CNA
insydeinsydeh2o
𝑥
< 5.71.21
CNA
Common Weakness Enumeration
References
https://www.insyde.com/security-pledge/sa-2025005/