Critical XCharge C6 Vulnerabilities Expose Electric Vehicle Chargers

Security researchers recently discovered severe EV charger security flaws in electric vehicle infrastructure. Specifically, these newly uncovered XCharge C6 vulnerabilities threaten global charging station networks. Unpatched systems allow unauthorized users to execute arbitrary code with high privileges. Consequently, network operators must verify their hardware patch status immediately to prevent remote exploitation.

Flaws in the Firmware Update Mechanism

The most severe flaw impacts the device control system directly. Tracked as CVE-2026-9037, this bug carries an alarming CVSS score of 9.3. Furthermore, the management interface fails to validate incoming files properly. According to the advisory, “Because cryptographic signatures are not verified, an attacker with the ability to interfere with or impersonate the management channel could cause the device to install an unauthorized firmware package”. Therefore, malicious actors can fully hijack the system remotely.

Physical Interface Risks

Buffer Overflow Exploitation

Adversaries can also target the charger through local hardware interfaces. Specifically, CVE-2026-9038 highlights a dangerous stack-based buffer overflow vulnerability. This flaw resides inside the controller’s signal-processing logic. Consequently, attackers with physical access can supply oversized message fields to corrupt system memory.

Default Credential Weaknesses

In addition, a severe configuration weakness impacts the signaling channel. Attackers track this terminal access flaw as CVE-2026-9039. The system mistakenly accepts a default administrative credential over vehicle-charger communication paths. Thus, “A malicious device physically connected to the charging interface could leverage this misconfiguration to obtain full administrative access”. These combined XCharge C6 vulnerabilities present an immediate risk to local infrastructure security.

Recommended Mitigation Steps

Fortunately, the manufacturer has already deployed automated software fixes. The company confirmed that updates are live for all active charging units. However, administrators should still contact customer support to confirm their current safety status. Ultimately, maintaining rigid patching habits remains the best way to secure smart vehicle infrastructure.