Cyber Resilience

CVE-2025-21428

High

Published: 07 April 2025

Published
07 April 2025
Modified
06 October 2025
KEV Added
—
Patch
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CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0056 68.6th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-21428 is a high-severity Buffer Over-read (CWE-126) vulnerability in Qualcomm Snapdragon 439 Mobile Platform Firmware. Its CVSS base score is 7.5 (High).

Operationally, ranked in the top 31.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Memory corruption occurs while connecting a STA to an AP and initiating an ADD TS request from the AP to establish a TSpec session.

CWE(s)
CWE-126

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

qualcomm
snapdragon 439 mobile platform firmware
all versions
qualcomm
snapdragon 625 mobile platform firmware
all versions
qualcomm
snapdragon 626 mobile platform firmware
all versions
qualcomm
snapdragon 632 mobile platform firmware
all versions
qualcomm
snapdragon 820 automotive platform firmware
all versions
qualcomm
snapdragon auto 5g modem-rf firmware
all versions
qualcomm
snapdragon x12 lte modem firmware
all versions
qualcomm
snapdragon x35 5g modem-rf system firmware
all versions
qualcomm
snapdragon x5 lte modem firmware
all versions
qualcomm
vision intelligence 100 platform \(apq8053-aa\) firmware
all versions
+59 more product configuration(s) — see NVD for full list

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References