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PatchSiren cyber security CVE debrief

CVE-2025-47400 Qualcomm, Inc. CVE debrief

A high-severity cryptographic issue was found in various Qualcomm products, where data is copied to a destination buffer without validating its size. This vulnerability has a CVSS score of 7.1 and is considered HIGH severity. The CVE record was published on 2026-04-06T16:16:28.590Z and was last modified on 2026-09-30T22:10:00.273Z. The NVD entry is currently Analyzed.

Vendor
Qualcomm, Inc.
Product
Snapdragon
CVSS
HIGH 7.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-04-06
Original CVE updated
2026-09-30
Advisory published
2026-04-06
Advisory updated
2026-09-30

Who should care

Defenders responsible for Qualcomm products, especially those used in sensitive or high-risk environments, should assess exposure and prioritize patching or mitigation efforts.

Why it matters

A high-severity cryptographic issue was found in various Qualcomm products, potentially leading to security issues, including high confidentiality and integrity impacts. Defenders should prioritize verifying the vulnerability status of Qualcomm products, especially those used in sensitive or high-risk environments, and apply patches or mitigations as available.

  • Verify vulnerability status of Qualcomm products to prioritize patching
  • Assess exposure and potential impacts on confidentiality and integrity
  • Apply patches or mitigations to prevent potential security issues
  • Monitor for additional information or updates from Qualcomm or NIST

Technical summary

The vulnerability is a cryptographic issue that occurs when data is copied to a destination buffer without validating its size. This can potentially lead to security issues, including high confidentiality and integrity impacts. The CVSS vector is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

Defensive priority

Defenders should prioritize verifying the vulnerability status of Qualcomm products, especially those used in sensitive or high-risk environments, and apply patches or mitigations as available.

Recommended defensive actions

  • Verify the vulnerability status of Qualcomm products in your environment
  • Apply patches or mitigations as available from Qualcomm
  • Monitor for any additional information or updates from Qualcomm or NIST

Evidence notes

The CVE record and NVD detail page provide information on the vulnerability, including its CVSS score and affected products. A vendor advisory from Qualcomm is also available, providing additional context and potential mitigations.

Sources and references

Verified primary and authoritative sources

  • CVE-2025-47400 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2025-47400

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2025-47400 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2025-47400

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Source reference

    Unverified legacy reference

    URL: https://docs.qualcomm.com/product/publicresources/securitybulletin/april-2026-bulletin.html

    [email protected] - Vendor Advisory

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.