CVE-2021-33555: Pepperl-Fuchs Wha-Gw-f2d2-0-As- z2-Eth.eip Firmware

High severity, CVSS 7.5. EPSS: 1.2% chance of exploitation in the next 30 days.

In PEPPERL+FUCHS WirelessHART-Gateway <= 3.0.7 the filename parameter is vulnerable to unauthenticated path traversal attacks, enabling read access to arbitrary files on the server.

Affected products

• Pepperl-Fuchs Wha-Gw-f2d2-0-As- z2-Eth.eip Firmware: up to and including 3.0.7
• Pepperl-Fuchs Wha-Gw-f2d2-0-As-z2-Eth Firmware: up to and including 3.0.7

Published 2021-08-31. Last modified 2026-06-17.