CVE-2025-21476

HIGH

Qualcomm Sm8550 Firmware - Buffer Overflow

Title source: rule
STIX 2.1

Description

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

Scores

CVSS v3 7.8
EPSS 0.0002
EPSS Percentile 4.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-120
Status published
Products (42)
qualcomm/qca6391_firmware
qualcomm/qca6698aq_firmware
qualcomm/qcm5430_firmware
qualcomm/qcm6490_firmware
qualcomm/qcm8550_firmware
qualcomm/qcn9011_firmware
qualcomm/qcn9012_firmware
qualcomm/qcn9274_firmware
qualcomm/qcs5430_firmware
qualcomm/qcs615_firmware
... and 32 more
Published Sep 24, 2025
Tracked Since Feb 18, 2026