CVE-2025-41770 PUBLISHED

Unauthenticated Denial of Service

Assigner: CERTVDE
Reserved: 16.04.2025 Published: 12.08.2026 Updated: 12.08.2026

An unauthenticated denial-of-service vulnerability in the device's PLCnext Engineer communication interface allow an remote attacker to interrupt access via the client application. Successful exploitation prevents communication until the PLCnext service is manually restarted.

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CVSS Score: 8.7

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS Score: 7.5

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	None	Integrity Impact	None
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	Phoenix Contact
Product	AXC F 1152
Versions	Default: unaffected affected from 2019.0.4 to 2026.0.3 (excl.)

Vendor	Phoenix Contact
Product	AXC F 1252
Versions	Default: unaffected affected from 2019.0.4 to 2026.0.3 (excl.)

Vendor	Phoenix Contact
Product	AXC F 2000 EA
Versions	Default: unaffected affected from 2019.0.4 to 2026.0.3 (excl.)

Vendor	Phoenix Contact
Product	AXC F 2152
Versions	Default: unaffected affected from 2019.0.4 to 2026.0.3 (excl.)

Vendor	Phoenix Contact
Product	AXC F 3152
Versions	Default: unaffected affected from 2019.0.4 to 2026.0.3 (excl.)

Vendor	Phoenix Contact
Product	BPC 9102S
Versions	Default: unaffected affected from 2019.0.4 to 2026.0.3 (excl.)

Vendor	Phoenix Contact
Product	BPC 9202S
Versions	Default: unaffected affected from 2019.0.4 to 2026.0.3 (excl.)

Vendor	Phoenix Contact
Product	RFC 4072R
Versions	Default: unaffected affected from 2019.0.4 to 2026.0.3 (excl.)

Vendor	Phoenix Contact
Product	RFC 4072S
Versions	Default: unaffected affected from 2019.0.4 to 2026.0.3 (excl.)

Vendor	Phoenix Contact
Product	VL3 UPC 2440 EDGE
Versions	Default: unaffected affected from 2019.0.4 to 2026.0.3 (excl.)

Vendor	Phoenix Contact
Product	VPLCNEXT CONTROL 1000
Versions	Default: unaffected affected from 2019.0.4 to 2026.0.3 (excl.)

Vendor	Phoenix Contact
Product	VPLCNEXT CONTROL 2000
Versions	Default: unaffected affected from 2019.0.4 to 2026.0.3 (excl.)

Vendor	Phoenix Contact
Product	VPLCNEXT CONTROL 3000
Versions	Default: unaffected affected from 2019.0.4 to 2026.0.3 (excl.)

Vendor	Phoenix Contact
Product	VPLCNEXT CONTROL 500
Versions	Default: unaffected affected from 2019.0.4 to 2026.0.3 (excl.)

Vendor	Phoenix Contact
Product	Catan C1
Versions	Default: unaffected affected from 2019.0.4 to 2026.0.3 (excl.)

Vendor	Phoenix Contact
Product	EPC 1502
Versions	Default: unaffected affected from 2019.0.4 to 2026.0.3 (excl.)

Vendor	Phoenix Contact
Product	EPC 1522
Versions	Default: unaffected affected from 2019.0.4 to 2026.0.3 (excl.)

Credits

CyberDanube finder

References

https://phoenixcontact.csaf-tp.certvde.com/.well-known/csaf/white/2026/vde-2025-056.json

Problem Types

CWE-770 Allocation of Resources Without Limits or Throttling CWE