CVE-2025-21458

HIGH
Published Aug 6, 2025 Modified Aug 19, 2025 CWE-416

Description

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

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CVSS v3.1 Score

7.8
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-416 Use After Free

Affected Products

Vendor Product
qualcomm fastconnect_6900_firmware
qualcomm fastconnect_6900
qualcomm qam8255p_firmware
qualcomm qam8255p
qualcomm qam8650p_firmware
qualcomm qam8650p
qualcomm qam8775p_firmware
qualcomm qam8775p
qualcomm qca6174a_firmware
qualcomm qca6174a
qualcomm qca6698aq_firmware
qualcomm qca6698aq
qualcomm qca6797aq_firmware
qualcomm qca6797aq
qualcomm sa7255p_firmware
qualcomm sa7255p
qualcomm sa7775p_firmware
qualcomm sa7775p
qualcomm sa8255p_firmware
qualcomm sa8255p
qualcomm sa8620p_firmware
qualcomm sa8620p
qualcomm sa8650p_firmware
qualcomm sa8650p
qualcomm sa8775p_firmware
qualcomm sa8775p
qualcomm sa9000p_firmware
qualcomm sa9000p
qualcomm snapdragon_888_5g_mobile_platform_firmware
qualcomm snapdragon_888_5g_mobile_platform
qualcomm snapdragon_888\+_5g_mobile_platform_\(sm8350-ac\)_firmware
qualcomm snapdragon_888\+_5g_mobile_platform_\(sm8350-ac\)
qualcomm sw5100_firmware
qualcomm sw5100
qualcomm sw5100p_firmware
qualcomm sw5100p
qualcomm wcd9380_firmware
qualcomm wcd9380
qualcomm wcd9385_firmware
qualcomm wcd9385
qualcomm wcn3980_firmware
qualcomm wcn3980
qualcomm wcn3988_firmware
qualcomm wcn3988
qualcomm wsa8830_firmware
qualcomm wsa8830
qualcomm wsa8835_firmware
qualcomm wsa8835

References

Frequently Asked Questions

What is CVE-2025-21458? +
Memory corruption when IOCTL interface is called to map and unmap buffers simultaneously. It has a CVSS v3.1 base score of 7.8 (HIGH).
How severe is CVE-2025-21458? +
CVE-2025-21458 has a CVSS v3.1 score of 7.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.
What products are affected by CVE-2025-21458? +
CVE-2025-21458 affects products from qualcomm, specifically: fastconnect_6900, fastconnect_6900_firmware, qam8255p, qam8255p_firmware, qam8650p, qam8650p_firmware, qam8775p, qam8775p_firmware, qca6174a, qca6174a_firmware, qca6698aq, qca6698aq_firmware, qca6797aq, qca6797aq_firmware, sa7255p, sa7255p_firmware, sa7775p, sa7775p_firmware, sa8255p, sa8255p_firmware, sa8620p, sa8620p_firmware, sa8650p, sa8650p_firmware, sa8775p, sa8775p_firmware, sa9000p, sa9000p_firmware, snapdragon_888\+_5g_mobile_platform_\(sm8350-ac\), snapdragon_888\+_5g_mobile_platform_\(sm8350-ac\)_firmware, snapdragon_888_5g_mobile_platform, snapdragon_888_5g_mobile_platform_firmware, sw5100, sw5100_firmware, sw5100p, sw5100p_firmware, wcd9380, wcd9380_firmware, wcd9385, wcd9385_firmware, wcn3980, wcn3980_firmware, wcn3988, wcn3988_firmware, wsa8830, wsa8830_firmware, wsa8835, wsa8835_firmware. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2025-21458? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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