Unauthenticated Buffer Overflow in PROFINET Service

Summary

CVECVE-2025-41769
StatePUBLISHED
AssignerCERTVDE
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-12 08:17:11 UTC
Updated2026-08-12 08:17:11 UTC
DescriptionThe device's PROFINET service is affected by a buffer overflow vulnerability that exists in the default configuration. An unauthenticated remote attacker could exploit this vulnerability to reboot the device or execute arbitrary code.

Risk And Classification

Primary CVSS: v4.0 9.3 CRITICAL from [email protected]

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/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-120 | CWE-120 CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')


VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary9.3CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/C...
4.0CNACVSS9.3CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
3.1[email protected]Primary9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1CNACVSS9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Confidentiality
High
Integrity
High
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:H/VI:H/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
High
Integrity
High
Availability
High

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