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CVE-2017-9417

69
FAUCET Score

CVE-2017-9417, known as "Broadpwn," is a critical vulnerability affecting Broadcom BCM43xx Wi-Fi chips, including specific BCM4354, BCM4358, and BCM4359 models, as well as their firmware. This flaw allows remote attackers to execute arbitrary code without authentication or user interaction. With a CVSS score of 9.8 (CRITICAL) and a FAUCET Risk Score of 98/100, the vulnerability poses a severe risk, enabling full compromise of affected devices. While not listed in CISA's KEV catalog, there is public exploit code available for a Denial of Service (DoS) and significant community discussion, indicating high awareness and potential for broader exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:broadcom:bcm43xx_wi-fi_chipset_firmware:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
47.54%
Probability of exploitation in next 30 days
EPSS Percentile
98.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-44268 · Dec 1, 2016
This CVE's current EPSS score of 0.4754 is in the 96th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

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

Remediation

Patch Available

Vendor Patches (1)

microsoftpatch availablevia msrc
Product: Windows 10 Version 1607 for 32-bit Systems
View patch

Vendor Advisories (1)

microsoft2017-Sep/CVE-2017-9417Important

Broadcom BCM43xx Remote Code Execution Vulnerability

Sep 12, 2017

References

seclists.org / fulldisclosure/2019/May/24
lists.debian.org / debian-lts-announce/2018/11/msg00015.html
portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2017-9417
seclists.org / bugtraq/2019/May/30
source.android.com / security/bulletin/2017-07-01
support.apple.com / kb/HT210121
blackhat.com / us-17/briefings.html
Technical DescriptionThird Party Advisory
securityfocus.com / bid/99482
securitytracker.com / id/1038950
securitytracker.com / id/1039330