CVE-2025-41769 Phoenix Contact CVE debrief

Who should care

Defenders responsible for managing and securing Phoenix Contact AXC F 1152 devices, especially those exposed to the internet or untrusted networks, should assess their exposure and prioritize remediation.

Why it matters

CVE-2025-41769 is a critical buffer overflow vulnerability in the PROFINET service of Phoenix Contact's AXC F 1152 device. Defenders should prioritize remediation, especially for internet-exposed systems, and verify affected versions and remediation status.

• Potential for unauthenticated remote reboot of affected devices
• Potential for arbitrary code execution on affected devices
• Need for verification of affected versions and remediation status
• Potential impact on industrial control systems and operational technology environments

Technical summary

The buffer overflow vulnerability exists in the default configuration of the PROFINET service on Phoenix Contact's AXC F 1152 device. An unauthenticated remote attacker could exploit this vulnerability to reboot the device or potentially execute arbitrary code.

Defensive priority

High priority remediation is recommended for affected systems, especially those exposed to the internet or untrusted networks.

Recommended defensive actions

• Remediate vulnerable systems by applying vendor-provided patches or updates
• Implement network segmentation and access controls to limit exposure
• Monitor system logs and network traffic for potential exploitation attempts

Evidence notes

The CVE record and NVD entry provide details about the vulnerability, but additional information from the vendor and other sources may be necessary to fully assess the impact and develop effective mitigations.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.