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PatchSiren cyber security CVE debrief

CVE-2025-47356 Qualcomm, Inc. CVE debrief

A memory corruption vulnerability exists when multiple threads concurrently access and modify shared resources. This issue affects various Qualcomm products, including firmware and hardware components. The vulnerability can lead to potential system crashes or instability, possible data corruption or loss, and increased risk of exploitation by attackers. Defenders should assess exposure, prioritize verification of affected versions and deployment contexts, and apply patches or updates if available. The CVE record and NVD detail page provide official information on the vulnerability, and a vendor advisory from Qualcomm is also available.

Vendor
Qualcomm, Inc.
Product
Snapdragon
CVSS
HIGH 7.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-01-07
Original CVE updated
2026-09-30
Advisory published
2026-01-07
Advisory updated
2026-09-30

Who should care

Qualcomm product users and administrators, security teams, and IT professionals responsible for maintaining and securing Qualcomm-based systems

Why it matters

CVE-2025-47356 is a high-severity memory corruption vulnerability affecting multiple Qualcomm products. Defenders should assess exposure, prioritize verification of affected versions and deployment contexts, and apply patches or updates if available.

  • Potential system crashes or instability
  • Possible data corruption or loss
  • Increased risk of exploitation by attackers
  • Need for verification of affected versions and deployment contexts

Technical summary

The vulnerability occurs when multiple threads concurrently access and modify shared resources, leading to memory corruption. Affected products include Qualcomm firmware and hardware components, such as the Cologne firmware, FastConnect 6900 firmware, and WCD9378C firmware.

Defensive priority

Qualcomm product users and administrators should assess exposure and prioritize verification of affected versions and deployment contexts.

Recommended defensive actions

  • Review and assess exposure of Qualcomm products in your inventory
  • Verify affected versions and deployment contexts
  • Apply vendor-provided patches or updates if available
  • Monitor system logs for potential exploitation attempts

Evidence notes

The CVE record and NVD detail page provide official information on the vulnerability. A vendor advisory from Qualcomm is also available. The vulnerability affects multiple Qualcomm products, including firmware and hardware components such as the Cologne firmware, FastConnect 6900 firmware, and WCD9378C firmware. Defenders should verify affected versions and deployment contexts, and apply patches or updates if available. The information provided is based on the CVE record, NVD detail,

Sources and references

Verified primary and authoritative sources

  • CVE-2025-47356 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2025-47356

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

  • CVE-2025-47356 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2025-47356

    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/january-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.