CVE-2025-21458

Name: CVE-2025-21458
Creator: NVD / NIST
Published: 2025-08-06T08:15:27.233+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.08%

Last modified Jun 17, 2026

CVE-2025-21458 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Memory corruption when IOCTL interface is called to map and unmap buffers simultaneously.. EPSS estimates a 0.08% chance of exploitation in the next 30 days.

Description

Memory corruption when IOCTL interface is called to map and unmap buffers simultaneously.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.08%

0.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Qualcomm	Fastconnect 6900 Firmware	All versions
Qualcomm	Qam8255p Firmware	All versions
Qualcomm	Qam8650p Firmware	All versions
Qualcomm	Qam8775p Firmware	All versions
Qualcomm	Qca6174a Firmware	All versions
Qualcomm	Qca6698aq Firmware	All versions
Qualcomm	Qca6797aq Firmware	All versions
Qualcomm	Sa7255p Firmware	All versions
Qualcomm	Sa7775p Firmware	All versions
Qualcomm	Sa8255p Firmware	All versions
Qualcomm	Sa8620p Firmware	All versions
Qualcomm	Sa8650p Firmware	All versions
Qualcomm	Sa8775p Firmware	All versions
Qualcomm	Sa9000p Firmware	All versions
Qualcomm	Snapdragon 888 5g Mobile Platform Firmware	All versions
Qualcomm	Snapdragon 888\+ 5g Mobile Platform \(Sm8350-Ac\) Firmware	All versions
Qualcomm	Sw5100 Firmware	All versions
Qualcomm	Sw5100p Firmware	All versions
Qualcomm	Wcd9380 Firmware	All versions
Qualcomm	Wcd9385 Firmware	All versions
Qualcomm	Wcn3980 Firmware	All versions
Qualcomm	Wcn3988 Firmware	All versions
Qualcomm	Wsa8830 Firmware	All versions
Qualcomm	Wsa8835 Firmware	All versions

References

https://docs.qualcomm.com/product/publicresources/securitybulletin/august-2025-bulletin.htmlPatch, Vendor Advisory

Timeline

Published: Aug 6, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-21458?

Memory corruption when IOCTL interface is called to map and unmap buffers simultaneously.

How severe is CVE-2025-21458?

CVE-2025-21458 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.08% probability of exploitation in the next 30 days.

How do I fix CVE-2025-21458?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-21458?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST