Vulnerability · Published Jun 23, 2025 · Assigned by VulDB

CVE-2025-652970mai M300 Telnet Service default credentials

High 8.8

In plain English

A high-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 0.9% (higher than 59% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)0.9%top 41.4% 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 and classified as critical. Affected by this issue is some unknown functionality of the component Telnet Service. The manipulation leads to use of default credentials. The attack needs to be initiated within the local network. 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-1392 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:W/RC:R

References

VDB-313646 | 70mai M300 Telnet Service default credentials vdb-entry
VDB-313646 | CTI Indicators (IOB, IOC) signature, permissions-required
Submit #595450 | 70mai dashcam M300 Improper Access Controls third-party-advisory
https://github.com/geo-chen/70mai/blob/main/README.md#finding-7-remotely-upload-malicious-files-and-execute-code exploit