CVE-2025-6529: 70mai M300 Telnet Service default credentials

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-06-23 · updated 2026-06-17
Weakness: CWE-1392

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

70mai M300: through 2025-06-11

References

https://github.com/geo-chen/70mai/blob/main/README.md#finding-7-remotely-upload-malicious-files-and-execute-code
https://vuldb.com/?ctiid.313646
https://vuldb.com/?id.313646
https://vuldb.com/?submit.595450

Get alerted when CVE-2025-6529 or the next vulnerability affects your stack