Security readout for executives and security teams
Plain-English summary
CVE-2017-9417, Broadpwn, is a Broadcom BCM43xx Wi-Fi chip flaw that can allow arbitrary code execution through unspecified wireless vectors. Business risk is highest for unmanaged or unsupported devices that still carry affected Wi-Fi firmware. The source bundle does not provide CVSS, exact affected versions, or evidence of current active exploitation.
Executive priority
Treat as high priority for legacy-device risk reduction, not as a current emergency. Focus on confirming whether any still-supported or unsupported fleet devices retain affected Broadcom Wi-Fi firmware, then patch or retire them.
Technical view
The CVE record describes remote code execution in Broadcom BCM43xx Wi-Fi chips via unspecified vectors. Public references connect remediation to Android, Microsoft, Debian firmware-nonfree, and Apple TV advisories. The bundle does not include technical root cause, exploit prerequisites, affected firmware versions, or scanner-safe detection logic.
Likely exposure
Exposure is asset-dependent: devices using Broadcom BCM43xx Wi-Fi firmware may be relevant, especially Android, Apple TV, Debian firmware-nonfree, or Microsoft-managed environments referenced by the sources. Exact affected models and firmware versions are not provided in the bundle.
Exploitation context
No active exploitation is stated in the supplied sources, and CISA KEV is false. The Black Hat reference frames Broadpwn as remotely compromising Android and iOS via Broadcom Wi-Fi chipsets, but the bundle does not provide operational exploit details.
Researcher notes
Evidence is incomplete for precise version matching. Use the CVE record and vendor advisories as authoritative scope anchors. Avoid assuming all BCM43xx deployments are vulnerable without matching device firmware, OS advisory coverage, and vendor patch state.
Mitigation direction
- Apply applicable vendor security updates from Android, Microsoft, Debian, and Apple guidance.
- Update or replace devices with Broadcom BCM43xx Wi-Fi firmware that cannot receive fixes.
- Prioritize unmanaged, mobile, IoT, and media devices exposed to untrusted Wi-Fi environments.
- Check original device vendors for firmware-specific guidance where listed advisories do not apply.
Validation and detection
- Inventory devices and firmware that use Broadcom BCM43xx Wi-Fi components.
- Confirm Android security patch level includes the July 2017 bulletin fixes where applicable.
- Verify Debian firmware-nonfree packages include DLA 1573-1 updates where applicable.
- Review Apple TV fleets against Apple TV Software 7.3 guidance where applicable.
- Check Microsoft advisory applicability for Windows-managed assets and confirm installed updates.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
Execution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2017-9417 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://source.android.com/security/bulletin/2017-07-01CVE reference · x_refsource_CONFIRM
- https://www.blackhat.com/us-17/briefings.html#broadpwn-remotely-compromising-android-and-ios-via-a-bug-in-broadcoms-wi-fi-chipsetsCVE reference · x_refsource_MISC
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-9417CVE reference · x_refsource_CONFIRM
- [debian-lts-announce] 20181113 [SECURITY] [DLA 1573-1] firmware-nonfree security updateCVE reference · mailing-list, x_refsource_MLIST
- https://support.apple.com/kb/HT210121CVE reference · x_refsource_CONFIRM
- 20190514 APPLE-SA-2019-5-13-6 Apple TV Software 7.3CVE reference · mailing-list, x_refsource_BUGTRAQ
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.