Vulnerability · Published Jun 23, 2025 · Assigned by VulDB

CVE-2025-653070mai M300 Telnet Service demo.sh denial of service

Medium 4.8

In plain English

A medium-severity security flaw in M300 from 70mai. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 50% of all known vulnerabilities).

Severity (CVSS 3.1)4.8Medium

Exploit odds (30 days)0.6%top 50.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
70mai	M300	20250611

Weakness: CWE-404 · Vector: CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H/E:P/RL:W/RC:R

References

VDB-313647 | 70mai M300 Telnet Service demo.sh denial of service vdb-entry
VDB-313647 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #595451 | 70mai dashcam M300 Denial of Service third-party-advisory
https://github.com/geo-chen/70mai/blob/main/README.md#finding-8-remotely-crashing-the-dashcam exploit