CVE-2021-34559: Pepperl-Fuchs Wha-Gw-f2d2-0-As-z2-Eth.eip Firmware

Medium severity, CVSS 5.3. EPSS: 0.8% chance of exploitation in the next 30 days.

In PEPPERL+FUCHS WirelessHART-Gateway <= 3.0.8 a vulnerability may allow remote attackers to rewrite links and URLs in cached pages to arbitrary strings.

Affected products

• Pepperl-Fuchs Wha-Gw-f2d2-0-As-z2-Eth.eip Firmware: up to and including 3.0.8
• Pepperl-Fuchs Wha-Gw-f2d2-0-As-z2-Eth Firmware: up to and including 3.0.8

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