CVE-2025-62777: Planex Communications Inc Mzk-DP300N

High severity, CVSS 8.7. EPSS: 0.3% chance of exploitation in the next 30 days.

Use of Hard-Coded Credentials issue exists in MZK-DP300N version 1.07 and earlier, which may allow an attacker within the local network to log in to the affected device via Telnet and execute arbitrary commands.

Affected products

• Planex Communications Inc Mzk-DP300N: up to and including 1.07

Published 2025-10-28. Last modified 2026-10-08.