Critical (9.8) in dcnglobal dcme-520 firmware. EPSS 3.3% chance of exploitation in the next 30 days.
DCN Firewall DCME-520 was discovered to contain a remote command execution (RCE) vulnerability via the host parameter in the file /system/tool/ping.php.
Severity
CVSS 3.1
9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
3.3% chance of exploitation in the next 30 days; higher than 88% of CVEs (scores of 2026-10-31)