CVE-2025-1985: PEPPERL+FUCHS: Profinet Gateway LB8122A.1.EL – Device is affected by XSS vulnerability

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-05-26 · updated 2026-06-17
Weakness: CWE-79

Description

Due to improper neutralization of input during web page generation (XSS) an unauthenticated remote attacker can inject HTML code into the Web-UI in the affected device.

Affected products

Pepperl+Fuchs Profinet Gateway FB8122A.1.EL: before V1.3.13 — fixed in V1.3.13
Pepperl+Fuchs Profinet Gateway LB8122A.1.EL: before V1.3.13 — fixed in V1.3.13

How to fix

Upgrade to a fixed version: Pepperl+Fuchs Profinet Gateway FB8122A.1.EL V1.3.13; Pepperl+Fuchs Profinet Gateway LB8122A.1.EL V1.3.13. Check the vendor advisory for mitigations.

References

https://cert.vde.com/en/advisories/VDE-2025-011

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