CVE-2025-41704

Medium

Description

An unauthanticated remote attacker can perform a DoS of the Modbus service by sending a specific function and sub-function code without affecting the core functionality.

SeverityMedium
CVSS5.3
Exploit probability—
ProductQUINT4-UPS/24DC/24DC/5/EIP
PublishedOct 14, 2025
First seenOct 14, 2025

How to fix

Update
  • Phoenix Contact QUINT4-UPS/24DC/24DC/5/EIPVC:07 or later
  • Phoenix Contact QUINT4-UPS/24DC/24DC/10/EIPVC:07 or later
  • Phoenix Contact QUINT4-UPS/24DC/24DC/20/EIPVC:07 or later
  • Phoenix Contact QUINT4-UPS/24DC/24DC/40/EIPVC:07 or later

Affected products

ProductAffected versionsFixed in
Phoenix Contact QUINT4-UPS/24DC/24DC/5/EIPVC:00 ≤ v < VC:07VC:07
Phoenix Contact QUINT4-UPS/24DC/24DC/10/EIPVC:00 ≤ v < VC:07VC:07
Phoenix Contact QUINT4-UPS/24DC/24DC/20/EIPVC:00 ≤ v < VC:07VC:07
Phoenix Contact QUINT4-UPS/24DC/24DC/40/EIPVC:00 ≤ v < VC:07VC:07

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.