What is CVE-2025-21431?

CVE-2025-21431 is a medium-severity vulnerability in Qualcomm Qam8255p, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 5.5/10. Published 2025-04-07.

How severe is CVE-2025-21431?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Qualcomm Qam8255p

CVE-2025-21431

Information disclosure may be there when a guest VM is connected.

Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)

EPSS: 0.001 (0.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Qualcomm Qam8255p
Qualcomm Qam8255p_firmware
Qualcomm Qam8295p
Qualcomm Qam8295p_firmware
Qualcomm Qam8620p
Qualcomm Qam8620p_firmware
Qualcomm Qam8650p
Qualcomm Qam8650p_firmware
Qualcomm Qam8775p
Qualcomm Qam8775p_firmware

Weakness classification (CWE)

CWE-367 — Time-of-check Time-of-use (TOCTOU) Race Condition

References

product-security@qualcomm.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-21431?: CVE-2025-21431 is a medium-severity vulnerability in Qualcomm Qam8255p, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 5.5/10. Published 2025-04-07.
How severe is CVE-2025-21431?: Medium severity. CVSS v3 base score is 5.5 out of 10.