SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2025-21468

Memory corruption while reading response from FW, when buffer size is changed by FW while driver is using this size to write null character at the end of buffer.

HIGH 7.8EPSS 0.10%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.10%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Memory corruption while reading response from FW, when buffer size is changed by FW while driver is using this size to write null character at the end of buffer.

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
0.10% probability · 1th percentile
CISA KEV
Not listed
Weakness
CWE-787
Affected
qualcomm/ar8035 firmware · qualcomm/csra6620 firmware · qualcomm/csra6640 firmware · qualcomm/fastconnect 6200 firmware · qualcomm/fastconnect 6700 firmware · qualcomm/wcd9380 firmware · qualcomm/wcd9385 firmware · qualcomm/wcd9390 firmware · qualcomm/wcd9395 firmware · qualcomm/wcn3910 firmware · qualcomm/wcn3950 firmware · qualcomm/wcn3980 firmware · qualcomm/wcn3988 firmware · qualcomm/wcn3990 firmware · qualcomm/wcn6450 firmware · qualcomm/wcn6650 firmware · qualcomm/wcn6740 firmware · qualcomm/wcn6755 firmware · qualcomm/wcn7750 firmware · qualcomm/qca6595 firmware · +40 more
Source
product-security@qualcomm.com

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