CVE-2025-21458
High
Description
Memory corruption when IOCTL interface is called to map and unmap buffers simultaneously.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Qualcomm Fastconnect 6900 Firmware
PublishedAug 6, 2025
First seenAug 6, 2025
Weakness typeCWE-416Use after free
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| qualcomm fastconnect_6900_firmware | No range specified | — |
| qualcomm qam8255p_firmware | No range specified | — |
| qualcomm qam8650p_firmware | No range specified | — |
| qualcomm qam8775p_firmware | No range specified | — |
| qualcomm qca6174a_firmware | No range specified | — |
| qualcomm qca6698aq_firmware | No range specified | — |
| qualcomm qca6797aq_firmware | No range specified | — |
| qualcomm sa7255p_firmware | No range specified | — |
| qualcomm sa7775p_firmware | No range specified | — |
| qualcomm sa8255p_firmware | No range specified | — |
| qualcomm sa8620p_firmware | No range specified | — |
| qualcomm sa8650p_firmware | No range specified | — |
| qualcomm sa8775p_firmware | No range specified | — |
| qualcomm sa9000p_firmware | No range specified | — |
| qualcomm snapdragon_888_5g_mobile_platform_firmware | No range specified | — |
| qualcomm snapdragon_888\+_5g_mobile_platform_\(sm8350-ac\)_firmware | No range specified | — |
| qualcomm sw5100_firmware | No range specified | — |
| qualcomm sw5100p_firmware | No range specified | — |
| qualcomm wcd9380_firmware | No range specified | — |
| qualcomm wcd9385_firmware | No range specified | — |
| qualcomm wcn3980_firmware | No range specified | — |
| qualcomm wcn3988_firmware | No range specified | — |
| qualcomm wsa8830_firmware | No range specified | — |
| qualcomm wsa8835_firmware | No range specified | — |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.