Medium 6.8Published Dec 9, 2025

CVE-2025-41697Shell access to UART Console

Updated under an hour ago (Oct 27, 2026, 12:20 AM ET)

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It affects Phoenix Contact FL SWITCH 2005 and 59 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Phoenix Contact FL SWITCH 2005

Exploited in the last 30 days

An attacker can use an undocumented UART port on the PCB as a side-channel to get root access e.g. with the credentials obtained from CVE-2025-41692.

CVSS: 6.8 MEDIUM (v3.1, CNA)CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-1299
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: CERTVDE
NVD analysis: Analyzed
Record last updated: Dec 9, 2025
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Phoenix Contact FL SWITCH 2005 phoenix_contact:fl_switch_2005 (from the name)	from 0.0.0 before 3.50	CNA record
Phoenix Contact FL SWITCH 2008 phoenix_contact:fl_switch_2008 (from the name)	from 0.0.0 before 3.50	CNA record
Phoenix Contact FL SWITCH 2016 phoenix_contact:fl_switch_2016 (from the name)	from 0.0.0 before 3.50	CNA record
Phoenix Contact FL SWITCH 2105 phoenix_contact:fl_switch_2105 (from the name)	from 0.0.0 before 3.50	CNA record
Phoenix Contact FL SWITCH 2108 phoenix_contact:fl_switch_2108 (from the name)	from 0.0.0 before 3.50	CNA record
Phoenix Contact FL SWITCH 2116 phoenix_contact:fl_switch_2116 (from the name)	from 0.0.0 before 3.50	CNA record
Phoenix Contact FL SWITCH 2204-2TC-2SFX phoenix_contact:fl_switch_2204_2tc_2sfx (from the name)	from 0.0.0 before 3.50	CNA record
Phoenix Contact FL SWITCH 2205 phoenix_contact:fl_switch_2205 (from the name)	from 0.0.0 before 3.50	CNA record
Phoenix Contact FL SWITCH 2206-2FX phoenix_contact:fl_switch_2206_2fx (from the name)	from 0.0.0 before 3.50	CNA record
Phoenix Contact FL SWITCH 2206-2FX SM phoenix_contact:fl_switch_2206_2fx_sm (from the name)	from 0.0.0 before 3.50	CNA record
1–10 of 60

References

References

https://certvde.com/de/advisories/VDE-2025-071	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.