CVE-2025-21439
HIGHCVSS 7.8/10EPSS 0.09%
Last modified
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/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
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
Timeline
- Published
- Last Modified
- 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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2025-21439?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST