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Fencer Intel
medium 5.4

CVE-2026-71396 json

Use of Hard-coded Credentials in Bendix EC80 Brake ECU

published 2mo ago modified 2mo ago also EUVD-2026-67314

cvss
5.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 14%
public exploits
0
none known

Summary

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

Patch / fix

  • Bendix EC80ESP+ J1708 Z300822
  • Bendix EC80ESP+ 6S/6M Z300822
  • Bendix EC80ESP+ PLC Z300822
  • Bendix EC80ESP+ 2nd CAN Z300822
  • Bendix EC80ESP+ Integrated TPMS Z300822
  • Bendix EC80ESP 6S/6M Z302578
  • Bendix EC80ESP PLC Z302578, Z302579
  • Bendix EC80ESP 2nd CAN Z302578
  • Bendix EC80ESP CAN Gateway Z302578
  • Bendix EC80ESP 4S/4M Z302579

Is CVE-2026-71396 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-26-237-05 updated cvss 5.4

Bendix EC80 Brake ECU

  • Bendix EC80ESP 2nd CAN Z266494 Bendix EC80ESP 4S/4M Z286098 Bendix EC80ESP 6S/6M Z266494 Bendix EC80ESP CAN Gateway Z266494 Bendix EC80ESP PLC Z266494, Z286098 Bendix EC80ESP+ 2nd CAN Z228999
    +4 more products
    Bendix EC80ESP+ 6S/6M Z228999 Bendix EC80ESP+ Integrated TPMS Z228999 Bendix EC80ESP+ J1708 Z228999 Bendix EC80ESP+ PLC Z228999
    affected: vendor fix, mitigation “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.”

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2mo ago

Exploit prediction

0.24% chance of exploitation in the next 30 days, higher than 14% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

assigned by version score vector
CNA 3.1 5.4 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
CNA 4.0 5.3 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
CNA 4.0 5.3 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

  • Bendix EC80ESP+ J1708
  • Bendix EC80ESP+ 6S/6M
  • Bendix EC80ESP+ PLC
  • Bendix EC80ESP+ 2nd CAN
  • Bendix EC80ESP+ Integrated TPMS
  • Bendix EC80ESP 6S/6M
  • Bendix EC80ESP PLC
  • Bendix EC80ESP 2nd CAN
  • Bendix EC80ESP CAN Gateway
  • Bendix EC80ESP 4S/4M

Classification

Weakness
  • CWE-798 Use of Hard-coded Credentials

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.