CVE-2026-71396

Use of Hard-coded Credentials in Bendix EC80 Brake ECU

Published Aug 27, 2026 CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
Description
Bendix EC80 Brake ECU uses hard-coded credentials, which could allow an attacker to disable automatic traction control.

Remediation

Vendor Solution

Bendix recommends users update their firmware to the most recent firmware version releases. Users that need more help should contact Bendix directly at info@Bendix.com. * EC80ESP+ J1708: Users should update their firmware to version Z300822. * EC80ESP+ 6S/6M: Users  should update their firmware to version Z300822. * EC80ESP+ PLC: Users  should update their firmware to version Z300822. * EC80ESP+ 2nd CAN: Users should update their firmware to version Z300822. * EC80ESP+ Integrated TPMS: Users should update their firmware to version Z300822. * EC80ESP 6S/6M: Users should update their firmware to version Z302578. * EC80ESP PLC: Users should update their firmware to version Z302578. * EC80ESP 2nd CAN: Users should update their firmware to version Z302578. * EC80ESP CAN Gateway: Users should update their firmware to version Z302578. * EC80ESP 4S/4M: Users should update their firmware to version Z302579. * EC80ESP PLC: Users should update their firmware to version Z302579.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Bendix
Bendix ec80esp+ 2nd Can
Bendix ec80esp+ 6s/6m
Bendix ec80esp+ Integrated Tpms
Bendix ec80esp+ J1708
Bendix ec80esp+ Plc
Bendix ec80esp 2nd Can
Bendix ec80esp 4s/4m
Bendix ec80esp 6s/6m
Bendix ec80esp Can Gateway
Bendix ec80esp Plc
Vendors & Products Bendix
Bendix ec80esp+ 2nd Can
Bendix ec80esp+ 6s/6m
Bendix ec80esp+ Integrated Tpms
Bendix ec80esp+ J1708
Bendix ec80esp+ Plc
Bendix ec80esp 2nd Can
Bendix ec80esp 4s/4m
Bendix ec80esp 6s/6m
Bendix ec80esp Can Gateway
Bendix ec80esp Plc
Type Values Removed Values Added
Description Bendix EC80 Brake ECU uses hard-coded credentials, which could allow an attacker to disable automatic traction control.
Title Use of Hard-coded Credentials in Bendix EC80 Brake ECU
Weaknesses CWE-798
References
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N'}