CVE-2021-34565: Pepperl-Fuchs Wha-Gw-f2d2-0-As-z2-Eth.eip Firmware

Critical severity, CVSS 9.8. EPSS: 1% chance of exploitation in the next 30 days.

In PEPPERL+FUCHS WirelessHART-Gateway 3.0.7 to 3.0.9 the SSH and telnet services are active with hard-coded credentials.

Affected products

• Pepperl-Fuchs Wha-Gw-f2d2-0-As-z2-Eth.eip Firmware: from 3.0.7, up to and including 3.0.9
• Pepperl-Fuchs Wha-Gw-f2d2-0-As-z2-Eth Firmware: from 3.0.7, up to and including 3.0.9

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