CVE-2025-21473

HIGH

Qualcomm Fastconnect 6900 Firmware - TOCTOU Race Condition

Title source: rule

Memory corruption when using Virtual cdm (Camera Data Mover) to write registers.

CVSS v3 7.8

EPSS 0.0001

EPSS Percentile 2.4%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

CWE

CWE-367

Status published

Products (6)

qualcomm/fastconnect_6900_firmware

qualcomm/fastconnect_7800_firmware

qualcomm/snapdragon_8_gen_1_mobile_platform_firmware

qualcomm/wcd9380_firmware

qualcomm/wsa8830_firmware

qualcomm/wsa8835_firmware

Published Aug 06, 2025

Tracked Since Feb 18, 2026