Bendix EC80 Brake ECU
Bendix EC80 Brake ECU vulnerable to buffer overflow, out-of-bounds write, and hard-coded credentials.
Summary
Multiple vulnerabilities have been identified in the Bendix EC80 Brake ECU, impacting critical vehicle functions like ABS, steering assist, and traction control. These include stack-based buffer overflows, out-of-bounds writes, and the use of hard-coded credentials, potentially allowing attackers to crash the ECU, execute arbitrary code, or inject CAN bus traffic. Bendix has released firmware updates to address these issues.
Full text
ICS Advisory Bendix EC80 Brake ECU Release DateAugust 25, 2026 Alert CodeICSA-26-237-05 Related topics: Industrial Control System Vulnerabilities , Industrial Control Systems View CSAF Summary 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. The following versions of Bendix EC80 Brake ECU are affected: EC80ESP+ J1708 Z228999 EC80ESP+ 6S/6M Z228999 EC80ESP+ PLC Z228999 EC80ESP+ 2nd CAN Z228999 EC80ESP+ Integrated TPMS Z228999 EC80ESP 6S/6M Z266494 EC80ESP PLC Z266494 EC80ESP 2nd CAN Z266494 EC80ESP CAN Gateway Z266494 EC80ESP 4S/4M Z286098 EC80ESP PLC Z286098 CVSS Vendor Equipment Vulnerabilities v3 7.5 Bendix Bendix EC80 Brake ECU Stack-based Buffer Overflow, Out-of-bounds Write, Use of Hard-coded Credentials Background Critical Infrastructure Sectors: Transportation Systems Countries/Areas Deployed: United States, Canada Company Headquarters Location: United States Vulnerabilities Expand All + CVE-2026-67560 The affected product is vulnerable to a stack-based buffer overflow, which may allow an attacker to crash the ECU. A crafted payload can then be used to remotely execute arbitrary code or inject arbitrary CAN bus traffic. This could cause the loss of the ABS function, steering assist, speedometer, and shifting. View CVE Details Affected Products Bendix EC80 Brake ECU Vendor:Bendix Product Version:Bendix EC80ESP+ J1708: Z228999, Bendix EC80ESP+ 6S/6M: Z228999, Bendix EC80ESP+ PLC: Z228999, Bendix EC80ESP+ 2nd CAN: Z228999, Bendix EC80ESP+ Integrated TPMS: Z228999, Bendix EC80ESP 6S/6M: Z266494, Bendix EC80ESP PLC: Z266494, Bendix EC80ESP 2nd CAN: Z266494, Bendix EC80ESP CAN Gateway: Z266494, Bendix EC80ESP 4S/4M: Z286098, Bendix EC80ESP PLC: Z286098 Product Status:known_affected Remediations MitigationBendix 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.mailto:info@Bendix.com Vendor fixEC80ESP+ J1708: Z228999 users should update their firmware to version Z300822. Vendor fixEC80ESP+ 6S/6M: Z228999 users should update their firmware to version Z300822. Vendor fixEC80ESP+ PLC: Z228999 users should update their firmware to version Z300822. Vendor fixEC80ESP+ 2nd CAN: Z228999 users should update their firmware to version Z300822. Vendor fixEC80ESP+ Integrated TPMS: Z228999 users should update their firmware to version Z300822. Vendor fixEC80ESP 6S/6M: Z266494 users should update their firmware to version Z302578. Vendor fixEC80ESP PLC: Z266494 users should update their firmware to version Z302578. Vendor fixEC80ESP 2nd CAN: Z266494 users should update their firmware to version Z302578. Vendor fixEC80ESP CAN Gateway: Z266494 users should update their firmware to version Z302578. Vendor fixEC80ESP 4S/4M: Z286098 users should update their firmware to version Z302579. Vendor fixEC80ESP PLC: Z286098 users should update their firmware to version Z302579. Relevant CWE: CWE-121 Stack-based Buffer Overflow Metrics CVSS Version Base Score Base Severity Vector String 3.1 7.5 HIGH CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H 4.0 7.7 HIGH CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVE-2026-68967 The affected product is vulnerable to an out-of-bounds write, which could allow an attacker to deliver a payload that could establish an arbitrary write primitive, which could crash the ECU. View CVE Details Affected Products Bendix EC80 Brake ECU Vendor:Bendix Product Version:Bendix EC80ESP+ J1708: Z228999, Bendix EC80ESP+ 6S/6M: Z228999, Bendix EC80ESP+ PLC: Z228999, Bendix EC80ESP+ 2nd CAN: Z228999, Bendix EC80ESP+ Integrated TPMS: Z228999, Bendix EC80ESP 6S/6M: Z266494, Bendix EC80ESP PLC: Z266494, Bendix EC80ESP 2nd CAN: Z266494, Bendix EC80ESP CAN Gateway: Z266494, Bendix EC80ESP 4S/4M: Z286098, Bendix EC80ESP PLC: Z286098 Product Status:known_affected Remediations MitigationBendix 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.mailto:info@Bendix.com Vendor fixEC80ESP+ J1708: Z228999 users should update their firmware to version Z300822. Vendor fixEC80ESP+ 6S/6M: Z228999 users should update their firmware to version Z300822. Vendor fixEC80ESP+ PLC: Z228999 users should update their firmware to version Z300822. Vendor fixEC80ESP+ 2nd CAN: Z228999 users should update their firmware to version Z300822. Vendor fixEC80ESP+ Integrated TPMS: Z228999 users should update their firmware to version Z300822. Vendor fixEC80ESP 6S/6M: Z266494 users should update their firmware to version Z302578. Vendor fixEC80ESP PLC: Z266494 users should update their firmware to version Z302578. Vendor fixEC80ESP 2nd CAN: Z266494 users should update their firmware to version Z302578. Vendor fixEC80ESP CAN Gateway: Z266494 users should update their firmware to version Z302578. Vendor fixEC80ESP 4S/4M: Z286098 users should update their firmware to version Z302579. Vendor fixEC80ESP PLC: Z286098 users should update their firmware to version Z302579. Relevant CWE: CWE-787 Out-of-bounds Write Metrics CVSS Version Base Score Base Severity Vector String 3.1 6.5 MEDIUM CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N 4.0 7.1 HIGH CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N CVE-2026-71396 The affected product uses hard-coded credentials, which could allow an attacker to disable automatic traction control. View CVE Details Affected Products Bendix EC80 Brake ECU Vendor:Bendix Product Version:Bendix EC80ESP+ J1708: Z228999, Bendix EC80ESP+ 6S/6M: Z228999, Bendix EC80ESP+ PLC: Z228999, Bendix EC80ESP+ 2nd CAN: Z228999, Bendix EC80ESP+ Integrated TPMS: Z228999, Bendix EC80ESP 6S/6M: Z266494, Bendix EC80ESP PLC: Z266494, Bendix EC80ESP 2nd CAN: Z266494, Bendix EC80ESP CAN Gateway: Z266494, Bendix EC80ESP 4S/4M: Z286098, Bendix EC80ESP PLC: Z286098 Product Status:known_affected Remediations MitigationBendix 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.mailto:info@Bendix.com Vendor fixEC80ESP+ J1708: Z228999 users should update their firmware to version Z300822. Vendor fixEC80ESP+ 6S/6M: Z228999 users should update their firmware to version Z300822. Vendor fixEC80ESP+ PLC: Z228999 users should update their firmware to version Z300822. Vendor fixEC80ESP+ 2nd CAN: Z228999 users should update their firmware to version Z300822. Vendor fixEC80ESP+ Integrated TPMS: Z228999 users should update their firmware to version Z300822. Vendor fixEC80ESP 6S/6M: Z266494 users should update their firmware to version Z302578. Vendor fixEC80ESP PLC: Z266494 users should update their firmware to version Z302578. Vendor fixEC80ESP 2nd CAN: Z266494 users should update their firmware to version Z302578. Vendor fixEC80ESP CAN Gateway: Z266494 users should update their firmware to version Z302578. Vendor fixEC80ESP 4S/4M: Z286098 users should update their firmware to version Z302579. Vendor fixEC80ESP PLC: Z286098 users should update their firmware to version Z302579. Relevant CWE: CWE-798 Use of Hard-coded Credentials Metrics CVSS Version Base Score Base Severity Vector String 3.1 5.4 MEDIUM CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L 4.0 5.3 MEDIUM 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 Acknowledgments Ben Gardiner of NMFTA reported these vulnerabilities to CISA Legal Notice and Terms of Use This product is provided subject to this Notification (https://www.cisa.gov/notification) and this Privacy & Use policy (https://www.cisa.gov/privacy-policy). Recommended Practices CISA recommends users take defensive measures to minimize the risk of exploitation of these vulnerabilities. Minimize network exposure for all control system devices and/or systems, ensuring they are not accessible fro
Indicators of Compromise
- cve — CVE-2026-67560
- cve — CVE-2026-68967
- cve — CVE-2026-71396