SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2025-21476

Memory corruption when passing parameters to the Trusted Virtual Machine during the handshake.

HIGH 7.8EPSS 0.09%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.09%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Memory corruption when passing parameters to the Trusted Virtual Machine during the handshake.

CVSS 3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
0.09% probability · 0th percentile
CISA KEV
Not listed
Weakness
CWE-120
Affected
qualcomm/qcs6490 firmware · qualcomm/qcs8550 firmware · qualcomm/qcs9100 firmware · qualcomm/sg8275 firmware · qualcomm/sg8275p firmware · qualcomm/sm6650 firmware · qualcomm/sm7635 firmware · qualcomm/sm7675 firmware · qualcomm/sm7675p firmware · qualcomm/sm8550 firmware · qualcomm/sm8550p firmware · qualcomm/sm8635 firmware · qualcomm/sm8635p firmware · qualcomm/sm8650 firmware · qualcomm/sm8650p firmware · qualcomm/sm8650q firmware · qualcomm/sm8750 firmware · qualcomm/sm8750p firmware · qualcomm/sxr2330p firmware · qualcomm/qca6391 firmware · +22 more
Source
product-security@qualcomm.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.