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CVE-2025-47391

27
FAUCET Score

CVE-2025-47391 is a memory corruption vulnerability triggered during frame request processing from user-supplied input. The vulnerability affects an unspecified product and stems from improper handling of user-provided data that can corrupt memory during operation. This flaw requires local access with standard user privileges to exploit, presenting a moderate but significant threat to affected systems. The vulnerability carries a HIGH severity rating with a CVSS score of 7.8, indicating it could lead to complete compromise of system confidentiality, integrity, and availability. The attack requires local access with low complexity, meaning an authenticated user can reliably trigger the vulnerability without complex preparation or user interaction. The potential impact encompasses unauthorized information disclosure, data modification, and denial of service capabilities. Currently, CVE-2025-47391 is not listed on the Known Exploited Vulnerabilities catalog, and there is no evidence of active exploitation in the wild. The vulnerability maintains an inactive status on industry hotlists, and the extremely low EPSS score of 0.00006 suggests minimal real-world exploitation probability at this time. However, the moderate FAUCET Risk Score of 49.0 indicates organizations should prioritize patching to prevent potential future exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:qualcomm:wcn3988_firmware:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:qualcomm:wcn6450_firmware:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:qualcomm:wcn6650_firmware:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:qualcomm:wcn6755_firmware:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:qualcomm:wcn7860_firmware:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.10%
Probability of exploitation in next 30 days
EPSS Percentile
0.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0010 is in the 4th percentile among its peer group of 17,070 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

docs.qualcomm.com / product/publicresources/securitybulletin/april-2026-bulletin.html
PatchVendor Advisory