CVE-2025-21461

HIGH
Published Aug 6, 2025 Modified Aug 19, 2025 CWE-787

Description

Memory corruption when programming registers through virtual CDM.

Is your site exposed to CVE-2025-21461?

Run a free security scan — no signup, results in seconds.

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-787 Out-of-bounds Write

Affected Products

Vendor Product
qualcomm fastconnect_6900_firmware
qualcomm fastconnect_6900
qualcomm fastconnect_7800_firmware
qualcomm fastconnect_7800
qualcomm sm6650_firmware
qualcomm sm6650
qualcomm sm7635_firmware
qualcomm sm7635
qualcomm sm7675_firmware
qualcomm sm7675
qualcomm sm7675p_firmware
qualcomm sm7675p
qualcomm sm8635_firmware
qualcomm sm8635
qualcomm sm8635p_firmware
qualcomm sm8635p
qualcomm snapdragon_8_gen_1_mobile_platform_firmware
qualcomm snapdragon_8_gen_1_mobile_platform
qualcomm snapdragon_8_gen_3_mobile_platform_firmware
qualcomm snapdragon_8_gen_3_mobile_platform
qualcomm wcd9370_firmware
qualcomm wcd9370
qualcomm wcd9375_firmware
qualcomm wcd9375
qualcomm wcd9378_firmware
qualcomm wcd9378
qualcomm wcd9380_firmware
qualcomm wcd9380
qualcomm wcd9390_firmware
qualcomm wcd9390
qualcomm wcd9395_firmware
qualcomm wcd9395
qualcomm wcn6650_firmware
qualcomm wcn6650
qualcomm wcn6755_firmware
qualcomm wcn6755
qualcomm wsa8830_firmware
qualcomm wsa8830
qualcomm wsa8832_firmware
qualcomm wsa8832
qualcomm wsa8835_firmware
qualcomm wsa8835
qualcomm wsa8840_firmware
qualcomm wsa8840
qualcomm wsa8845_firmware
qualcomm wsa8845
qualcomm wsa8845h_firmware
qualcomm wsa8845h

References

Frequently Asked Questions

What is CVE-2025-21461? +
Memory corruption when programming registers through virtual CDM. It has a CVSS v3.1 base score of 7.8 (HIGH).
How severe is CVE-2025-21461? +
CVE-2025-21461 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-2025-21461? +
CVE-2025-21461 affects products from qualcomm, specifically: fastconnect_6900, fastconnect_6900_firmware, fastconnect_7800, fastconnect_7800_firmware, sm6650, sm6650_firmware, sm7635, sm7635_firmware, sm7675, sm7675_firmware, sm7675p, sm7675p_firmware, sm8635, sm8635_firmware, sm8635p, sm8635p_firmware, snapdragon_8_gen_1_mobile_platform, snapdragon_8_gen_1_mobile_platform_firmware, snapdragon_8_gen_3_mobile_platform, snapdragon_8_gen_3_mobile_platform_firmware, wcd9370, wcd9370_firmware, wcd9375, wcd9375_firmware, wcd9378, wcd9378_firmware, wcd9380, wcd9380_firmware, wcd9390, wcd9390_firmware, wcd9395, wcd9395_firmware, wcn6650, wcn6650_firmware, wcn6755, wcn6755_firmware, wsa8830, wsa8830_firmware, wsa8832, wsa8832_firmware, wsa8835, wsa8835_firmware, wsa8840, wsa8840_firmware, wsa8845, wsa8845_firmware, wsa8845h, wsa8845h_firmware. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2025-21461? +
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.

Related Vulnerabilities

CVE-2026-8358

LibreOffice Calc can import tracked changes from a spreadsheet document. A heap buffer overflow existed when a document reused the …
CVE-2026-8356

LibreOffice can import presentations in the legacy binary PPT format. A stack buffer overflow existed when importing a colour-replacement record. …
CVE-2026-6040

A heap use-after-free existed when importing the blank-width characters of an ODF number format. A position value read from the …
CVE-2026-6039

LibreOffice can import drawings in the DXF format used by CAD software. A heap buffer overflow existed when importing a …
CVE-2026-3298

The method "sock_recvfrom_into()" of "asyncio.ProacterEventLoop" (Windows only) was missing a boundary check for the data buffer when using nbytes parameter. …
CVE-2026-40489

editorconfig-core-c is an EditorConfig core library for use by plugins supporting EditorConfig parsing. Versions up to and including 0.12.10 have …

Don't wait for an exploit

Scan your website for vulnerabilities like CVE-2025-21461 — free, no signup required.