CVE-2026-67560Known exploitation

Code execution via oversized PLC message processing

Published Aug 27, 2026 · Updated Aug 27, 2026

Stack-based buffer overflow in Bendix EC80 Brake ECU firmware allows attackers to execute code via an adjacent vehicle network. The PLC parser accepts an incorrect message-string length and overflows a stack buffer while processing the resulting input. Unauthenticated access to the adjacent J2497/CAN path is sufficient; exploitation can crash the ECU, inject CAN traffic, and disable ABS, steering assist, speedometer, or shifting.

CVSS severity7.7
High
EPSS probability0.33%
Next 30 days · Sep 16, 2026
Known exploitationReported
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stack-based buffer overflow in Bendix EC80 Brake ECU firmware allows attackers to execute code via an adjacent vehicle network. The PLC parser accepts an incorrect message-string length and overflows a stack buffer while processing the resulting input. Unauthenticated access to the adjacent J2497/CAN path is sufficient; exploitation can crash the ECU, inject CAN traffic, and disable ABS, steering assist, speedometer, or shifting.

The record

CVE
CVE-2026-67560
Published
Aug 27, 2026
Updated
Aug 27, 2026
Vendor
Bendix Commercial Vehicle Systems LLC
Product
Bendix EC-80 ESP 6S/6M
Classifications
CWE-121, T0866
Attack vector
adjacent
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 27, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 27, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=Z228999
  2. Affected versionversion=Z266494

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesunauthenticated

What is affected?

Bendix Commercial Vehicle Systems LLC · Bendix EC-80 ESP 6S/6Mversion=Z228999; version=Z266494
Bendix Commercial Vehicle Systems LLC · Bendix EC-80 ESP CAN Gatewayversion=Z266494
Bendix Commercial Vehicle Systems LLC · Bendix EC-80 ESP PLCversion=Z228999; version=Z266494; version=Z286098
Bendix Commercial Vehicle Systems LLC · Bendix EC-80 ESP+ Integrated TPMSversion=Z228999
Bendix Commercial Vehicle Systems LLC · Bendix EC-80 ESP+ J1708version=Z228999
Bendix Commercial Vehicle Systems LLC · Bendix EC-80 ESP 4S/4Mversion=Z286098
Bendix Commercial Vehicle Systems LLC · Bendix EC-80 ESP 2nd CANversion=Z228999; version=Z266494

Published CVSS scores

7.5CISA ICS-CERTCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
7.7CISA-ADPCVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectoradjacent
Privilegesunauthenticated
Known exploitationReported
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-121Stack-based Buffer Overflow
T0866Exploitation of Remote Services

Public exploit references

No public exploit references are available in this record.

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Reported exploitation

Technologies

Your stack

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Your stack

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