high severity August 25, 2026 · 1 min read

CISA ICS Advisory: Bendix EC80 Brake ECU

Here’s what this advisory affects, and what to do about it.

Successful exploitation of these vulnerabilities could allow an attacker to cause the loss of ABS functions, steering assist, speedometer, shifting capabilities, or disable automatic traction control.

CISA ICS Advisory: Bendix EC80 Brake ECU

CISA has published an ICS advisory on August 25, 2026, warning that vulnerabilities in the Bendix EC80 Brake ECU could allow remote attackers to impair critical vehicle safety systems.

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Loss of critical vehicle control functions

The advisory states that successful exploitation of the vulnerabilities could allow an attacker to cause the loss of ABS functions, steering assist, speedometer, shifting capabilities, or disable automatic traction control. The advisory does not say whether the flaws have been exploited in the wild.

Affected product

The advisory concerns the Bendix EC80 Brake ECU. It does not list specific software versions, firmware revisions, or additional affected products.

What to do

Determine whether any vehicles or systems under your organisation’s control use the Bendix EC80 Brake ECU.
Consult Bendix’s official guidance for this advisory and apply any available firmware updates or mitigations.
Implement network segmentation and access controls that limit unauthenticated access to the affected ECU.
Monitor the vendor’s security channel and CISA’s ICS advisories for further updates on this issue.
Assess whether alternative braking and stability systems can provide redundancy where the EC80 is deployed.

Organisations responsible for fleet safety or industrial vehicles should treat this advisory as a prompt to verify the presence of the affected component in their operational technology environment.

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Sources: CISA ICS Advisory

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