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Siemens EV Chargers Exposed to Unauthorized Access Risk

CICISA Advisories
SiemensHeliox EV ChargersCVE-2025-27769access control
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Basically, some Siemens EV chargers can be hacked, allowing access to unauthorized services.

Quick Summary

A vulnerability in Siemens Heliox EV Chargers could allow unauthorized access via the charging cable. This affects critical manufacturing sectors worldwide. Siemens urges users to update their devices immediately to mitigate risks.

What Happened

A serious vulnerability has been discovered in Siemens Heliox EV Chargers, specifically the Heliox Flex 180 kW and Heliox Mobile DC 40 kW models. This flaw, known as CVE-2025-27769?, involves improper access control? that could let attackers exploit the charging cable to access unauthorized services. Imagine if someone could sneak into your home through an open garage door; this is similar to what’s happening with these chargers.

Siemens has responded promptly by releasing new versions of the affected products. They recommend that users update their chargers to the latest versions to safeguard against potential attacks. The vulnerability is particularly concerning because it affects devices deployed worldwide, impacting critical manufacturing sectors? that rely on these chargers for electric vehicles.

Why Should You Care

If you own or manage electric vehicle charging stations, this vulnerability is a big deal for you. Unauthorized access could lead to data breaches or even manipulation of the charging process, which could disrupt services or compromise sensitive information. Think of it like leaving your car unlocked in a busy parking lot; it makes it easy for someone to take advantage of the situation.

Protecting your devices is essential. If these chargers are part of your infrastructure, not addressing this vulnerability could lead to significant operational risks or financial losses. Ensuring that your devices are updated and secure is a crucial step in maintaining the integrity of your services.

What's Being Done

Siemens is actively addressing this issue by recommending immediate updates to the affected charger models. Here’s what you should do:

  • Update your Siemens Heliox EV Chargers to the latest versions released by Siemens.
  • Contact Siemens customer support for specific patch information and guidance on OTA update?s.
  • Follow Siemens' operational guidelines for Industrial Security? to ensure your devices are protected.

Experts are closely monitoring the situation to see if any malicious actors attempt to exploit this vulnerability. Staying informed and proactive is your best defense against potential cyber threats.

💡 Tap dotted terms for explanations

🔒 Pro insight: The improper access control in these chargers highlights a growing trend in vulnerabilities within critical infrastructure devices, necessitating enhanced security measures.

Original article from

CISA Advisories · CISA

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