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PatchSiren cyber security CVE debrief

CVE-2025-47395 Qualcomm, Inc. CVE debrief

A transient denial-of-service vulnerability exists in Qualcomm's WCN7861 firmware when parsing a WLAN management frame with a Vendor Specific Information Element. This medium-severity issue, tracked as CVE-2025-47395, was publicly disclosed on January 7, 2026, and last modified on September 30, 2026. The vulnerability has a CVSS score of 6.5 and is classified as CWE-126. Network administrators and security teams should prioritize verifying WLAN management frame handling in their infrastructure, especially if using Qualcomm's WCN7861 firmware. They should assess exposure, review vendor advisories, and apply patches if available. The CVE record and NVD detail page provide limited of

Vendor
Qualcomm, Inc.
Product
Snapdragon
CVSS
MEDIUM 6.5
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

Network administrators, security teams, and organizations using Qualcomm's WCN7861 firmware should assess their exposure and take necessary actions to mitigate this vulnerability.

Why it matters

CVE-2025-47395 is a medium-severity vulnerability in Qualcomm's WCN7861 firmware that can cause a transient denial-of-service. Network administrators and security teams should prioritize verifying WLAN management frame handling, review vendor advisories, and apply patches if available.

  • Verify WLAN management frame handling in infrastructure
  • Assess exposure and apply patches if available
  • Monitor network for unusual activity

Technical summary

CVE-2025-47395 is a medium-severity vulnerability in Qualcomm's WCN7861 firmware that can cause a transient denial-of-service when parsing WLAN management frames with Vendor Specific Information Elements. The vulnerability has a CVSS score of 6.5 and is classified as CWE-126.

Defensive priority

Network administrators and security teams should prioritize verifying WLAN management frame handling in their infrastructure, especially if using Qualcomm's WCN7861 firmware. They should assess exposure, review vendor advisories, and apply patches if available.

Recommended defensive actions

  • Verify WLAN management frame handling in infrastructure
  • Review vendor advisories for Qualcomm WCN7861 firmware
  • Apply patches if available
  • Monitor network for unusual activity

Evidence notes

The CVE record and NVD detail page provide limited information about affected versions and exploitation. The vendor advisory from Qualcomm may contain additional details.

Sources and references

Verified primary and authoritative sources

  • CVE-2025-47395 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2025-47395

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

  • CVE-2025-47395 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2025-47395

    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.