CVE-2025-41693

MEDIUM

Phoenix Contact FL SWITCH Firmware < 3.50 - Resource Exhaustion via SSH Command Execution

Title source: llm
STIX 2.1

Description

A low privileged remote attacker can use the ssh feature to execute commands directly after login. The process stays open and uses resources which leads to a reduced performance of the management functions. Switching functionality is not affected.

References (1)

Core 1
Core References

Scores

CVSS v3 4.3
EPSS 0.0043
EPSS Percentile 34.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-770
Status published
Products (50)
phoenixcontact/fl_nat_2008_firmware < 3.50
phoenixcontact/fl_nat_2208_firmware < 3.50
phoenixcontact/fl_nat_2304-2gc-2sfp_firmware < 3.50
phoenixcontact/fl_switch_2005_firmware < 3.50
phoenixcontact/fl_switch_2008_firmware < 3.50
phoenixcontact/fl_switch_2008f_firmware < 3.50
phoenixcontact/fl_switch_2016_firmware < 3.50
phoenixcontact/fl_switch_2105_firmware < 3.50
phoenixcontact/fl_switch_2108_firmware < 3.50
phoenixcontact/fl_switch_2116_firmware < 3.50
... and 40 more
Published Dec 09, 2025
Tracked Since Feb 18, 2026