CVE-2026-71396

Deferred Deferred - Pending Action

Hard-Coded Credentials in Bendix EC80 Brake ECU

Publication date: 2026-08-28

Last updated on: 2026-08-31

Assigner: ICS-CERT

Description

Bendix EC80 Brake ECU uses hard-coded credentials, which could allow an attacker to disable automatic traction control.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-08-28

Last Modified

2026-08-31

Generated

2026-09-17

AI Q&A

2026-08-28

EPSS Evaluated

2026-09-15

NVD

CVE-2026-71396

EUVD

EUVD-2026-67314

Affected Vendors & Products

Vendor	Product	Version / Range
bendix	ec80	*
bendix	ec80esp	*
bendix	ec80esp+	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-798	The product contains hard-coded credentials, such as a password or cryptographic key.

Attack-Flow Graph

Executive Summary

Bendix EC80 Brake ECU contains hard-coded credentials that could allow an attacker to gain unauthorized access and disable automatic traction control.

Detection Guidance

Detection of this vulnerability requires checking for hard-coded credentials in Bendix EC80 Brake ECU firmware. Inspect firmware files for default or embedded credentials. Use network scanning tools to identify affected devices by their CPE identifiers (bendix ec80, bendix ec80esp, bendix ec80esp+). Monitor CAN bus traffic for unusual commands or disruptions in traction control signals.

Impact Analysis

An attacker could exploit this to disable traction control, potentially causing loss of vehicle stability and increasing the risk of accidents.

Compliance Impact

The vulnerability involves hard-coded credentials in Bendix EC80 Brake ECU, which could allow unauthorized access to disable automatic traction control. This may impact compliance with standards requiring secure authentication and access control, such as GDPR's data protection principles or HIPAA's security requirements for protected health information systems.

Mitigation Strategies

Immediately update the Bendix EC80 Brake ECU firmware to remove hard-coded credentials. Restrict network access to the ECU to authorized personnel only. Monitor brake system logs for unauthorized access attempts or control changes.

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