Unauthenticated Denial of Service

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2025-41770
StatePUBLISHED
AssignerCERTVDE
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-12 08:17:11 UTC
Updated2026-08-12 08:17:11 UTC
DescriptionAn 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.

Risk And Classification

Primary CVSS: v4.0 8.7 HIGH from [email protected]

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Problem Types: CWE-770 | CWE-770 CWE-770 Allocation of Resources Without Limits or Throttling

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary8.7HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/C...
4.0CNACVSS8.7HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
3.1[email protected]Primary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.1CNACVSS7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Confidentiality
None
Integrity
None
Availability
High
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Phoenix Contact AXC F 1152 affected 2019.0.4 2026.0.3 semver Not specified
CNA Phoenix Contact AXC F 1252 affected 2019.0.4 2026.0.3 semver Not specified
CNA Phoenix Contact AXC F 2000 EA affected 2019.0.4 2026.0.3 semver Not specified
CNA Phoenix Contact AXC F 2152 affected 2019.0.4 2026.0.3 semver Not specified
CNA Phoenix Contact AXC F 3152 affected 2019.0.4 2026.0.3 semver Not specified
CNA Phoenix Contact BPC 9102S affected 2019.0.4 2026.0.3 semver Not specified
CNA Phoenix Contact BPC 9202S affected 2019.0.4 2026.0.3 semver Not specified
CNA Phoenix Contact RFC 4072R affected 2019.0.4 2026.0.3 semver Not specified
CNA Phoenix Contact RFC 4072S affected 2019.0.4 2026.0.3 semver Not specified
CNA Phoenix Contact VL3 UPC 2440 EDGE affected 2019.0.4 2026.0.3 semver Not specified
CNA Phoenix Contact VPLCNEXT CONTROL 1000 affected 2019.0.4 2026.0.3 semver Not specified
CNA Phoenix Contact VPLCNEXT CONTROL 2000 affected 2019.0.4 2026.0.3 semver Not specified
CNA Phoenix Contact VPLCNEXT CONTROL 3000 affected 2019.0.4 2026.0.3 semver Not specified
CNA Phoenix Contact VPLCNEXT CONTROL 500 affected 2019.0.4 2026.0.3 semver Not specified
CNA Phoenix Contact Catan C1 affected 2019.0.4 2026.0.3 semver Not specified
CNA Phoenix Contact EPC 1502 affected 2019.0.4 2026.0.3 semver Not specified
CNA Phoenix Contact EPC 1522 affected 2019.0.4 2026.0.3 semver Not specified

References

ReferenceSourceLinkTags
phoenixcontact.csaf-tp.certvde.com/.well-known/csaf/white/2026/vde-2025-056.json [email protected] phoenixcontact.csaf-tp.certvde.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: CyberDanube (en)

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