CVE-2017-7175: Nfsen

Critical severity, CVSS 9.9. EPSS: 6.5% chance of exploitation in the next 30 days.

NfSen before 1.3.8 allows remote attackers to execute arbitrary OS commands via shell metacharacters in the customfmt parameter (aka the "Custom output format" field).

Affected products

• Nfsen Nfsen: up to and including 1.3.7

Published 2017-07-10. Last modified 2026-06-17.