CVE-2025-21439

Name: CVE-2025-21439
Creator: NVD / NIST
Published: 2025-04-07T11:15:52.457+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.09%

Last modified Jun 17, 2026

CVE-2025-21439 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Memory corruption may occur while reading board data via IOCTL call when the WLAN driver copies the content to the provided output buffer.. EPSS estimates a 0.09% chance of exploitation in the next 30 days.

Description

Memory corruption may occur while reading board data via IOCTL call when the WLAN driver copies the content to the provided output buffer.

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

0.09%

0.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Qualcomm	Fastconnect 6700 Firmware	All versions
Qualcomm	Fastconnect 6900 Firmware	All versions
Qualcomm	Qca6595au Firmware	All versions
Qualcomm	Qcm5430 Firmware	All versions
Qualcomm	Qcm6490 Firmware	All versions
Qualcomm	Qcn7605 Firmware	All versions
Qualcomm	Qcn7606 Firmware	All versions
Qualcomm	Qcs5430 Firmware	All versions
Qualcomm	Qcs6490 Firmware	All versions
Qualcomm	Video Collaboration Vc3 Platform Firmware	All versions
Qualcomm	Sc8180x\+Sdx55 Firmware	All versions
Qualcomm	Snapdragon 8c Compute Platform \(Sc8180x-Ad\) Firmware	All versions
Qualcomm	Snapdragon 8c Compute Platform \(Sc8180xp-Ad\) Firmware	All versions
Qualcomm	Snapdragon 8cx Compute Platform \(Sc8180x-Aa\) Firmware	All versions
Qualcomm	Snapdragon 8cx Compute Platform \(Sc8180x-Ab\) Firmware	All versions
Qualcomm	Snapdragon 8cx Compute Platform \(Sc8180xp-Ac\) Firmware	All versions
Qualcomm	Snapdragon 8cx Compute Platform \(Sc8180xp-Af\) Firmware	All versions
Qualcomm	Snapdragon 8cx Gen 2 5g Compute Platform \(Sc8180x-Ac\) Firmware	All versions
Qualcomm	Snapdragon 8cx Gen 2 5g Compute Platform \(Sc8180x-Af\) Firmware	All versions
Qualcomm	Snapdragon 8cx Gen 2 5g Compute Platform \(Sc8180xp-Aa\) Firmware	All versions
Qualcomm	Snapdragon 8cx Gen 2 5g Compute Platform \(Sc8180xp-Ab\) Firmware	All versions
Qualcomm	Wcd9370 Firmware	All versions
Qualcomm	Wcd9375 Firmware	All versions
Qualcomm	Wcd9380 Firmware	All versions
Qualcomm	Wcd9385 Firmware	All versions

References

https://docs.qualcomm.com/product/publicresources/securitybulletin/april-2025-bulletin.htmlVendor Advisory

Timeline

Published: Apr 7, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-21439?

Memory corruption may occur while reading board data via IOCTL call when the WLAN driver copies the content to the provided output buffer.

How severe is CVE-2025-21439?

CVE-2025-21439 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.09% probability of exploitation in the next 30 days.

How do I fix CVE-2025-21439?

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-2025-21439?

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

Scan your code now

Source: NVD / NIST