EUVD-2025-210024
GHSA-v3pp-4xm4-vw3j
Severity by source
AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
1DescriptionCVE.org
Memory corruption in diagnostic services due to absence of input validation
AnalysisAI
Memory corruption via out-of-bounds write in Qualcomm Snapdragon diagnostic services allows a local, highly-privileged attacker to achieve high-impact compromise of confidentiality, integrity, and availability. The root cause is absent input validation in the diagnostic services component, enabling a crafted payload to corrupt memory. No public exploit identified at time of analysis, and this vulnerability is not listed in CISA KEV.
Technical ContextAI
The affected component is the diagnostic services subsystem within Qualcomm Snapdragon platforms (CPE: cpe:2.3:a:qualcomm,_inc.:snapdragon:*:*:*:*:*:*:*:*). CWE-787 (Out-of-bounds Write) identifies the root cause class: the diagnostic interface fails to validate input length or content before writing to memory, allowing a caller to write data beyond an allocated buffer boundary. This class of vulnerability is common in low-level diagnostic or debug interfaces that prioritize throughput and flexibility over strict input sanitization. On Snapdragon SoCs, diagnostic services often run at elevated trust levels, making memory corruption in this layer potentially consequential for the broader system security model.
RemediationAI
The primary remediation is to apply the patch documented in the Qualcomm June 2026 Security Bulletin (https://docs.qualcomm.com/product/publicresources/securitybulletin/june-2026-bulletin.html). An exact patched firmware version is not independently confirmed from the available input data - consult the bulletin for specific versioned firmware releases per affected SKU. As a compensating control where patching is not immediately possible, restricting access to diagnostic service interfaces (e.g., limiting which processes or users can invoke diagnostic APIs) would reduce the exploitable surface, though this may impact legitimate diagnostic and debugging workflows. Given the high-privilege requirement, ensuring robust access controls and audit logging around high-privileged accounts on Snapdragon-based devices provides additional defense-in-depth while awaiting patch deployment.
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Same weakness CWE-787 – Out-of-bounds Write
View allSame technique Buffer Overflow
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External POC / Exploit Code
Leaving vuln.today