CVE-2017-7183: Extraputty

High severity, CVSS 7.5. EPSS: 5.9% chance of exploitation in the next 30 days.

The TFTP server in ExtraPuTTY 0.30 and earlier allows remote attackers to cause a denial of service (crash) via a large (1) read or (2) write TFTP protocol message.

Affected products

• Extraputty Extraputty: up to and including 0.29

Published 2017-03-27. Last modified 2026-06-17.