[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fD-dg0Qt8tOCxnCcUQmuYHhy9uHKHJ6O9LCGdGT80qWU":3},{"lesson":4},{"id":5,"slug":6,"article_id":7,"title":8,"body":9,"prevention":10,"framework_refs":11,"framework_notes":23,"status":24,"created_at":25,"published_at":26,"article":27,"tags":31,"podcasts":50,"controls":51},"89b59821-99b5-4943-99f1-d65c124dd666","hard-coded-credentials-and-cleartext-transmission-expose-eld-telemetry-data","c8655568-07d3-427f-a89a-6f99eb4afea4","Hard-Coded Credentials and Cleartext Transmission Expose ELD Telemetry Data","Bransys ELD devices shipped with hard-coded MQTT and FTP credentials embedded in the application code, meaning any attacker who reverse-engineers the app can gain unauthorized access to telemetry data and firmware across all deployed devices simultaneously. Transmitting sensitive information in cleartext compounds the risk by allowing passive interception on any network the device communicates over. These are foundational secure-development failures — hard-coded credentials and unencrypted channels should never reach production in safety-critical transportation technology. The widespread impact is especially concerning because ELD devices are federally mandated for commercial vehicles, making them a high-value target with a large installed base.","**Immediate actions:**\n- Update all Bransys ELD apps immediately to Android ≥11.00.00 and iOS ≥1.1.54 to remediate known vulnerabilities.\n- Rotate any MQTT and FTP credentials that may have been exposed and audit broker\u002Fserver access logs for unauthorized connections.\n- Enforce TLS\u002FSSL encryption for all data channels transmitting telemetry or firmware to eliminate cleartext exposure.\n\n**Long-term improvements:**\n- Integrate static application security testing (SAST) and secret-scanning tools into CI\u002FCD pipelines to detect hard-coded credentials before release.\n- Adopt a secrets management solution (e.g., HashiCorp Vault, AWS Secrets Manager) so credentials are injected at runtime rather than embedded in binaries.\n- Establish a vendor security assessment program that requires IoT\u002FELD suppliers to demonstrate secure coding practices and regular penetration testing.\n\n**Detection measures:**\n- Deploy network monitoring to alert on unencrypted protocol usage (plain MQTT port 1883, plain FTP port 21) originating from ELD devices.\n- Implement anomaly detection on MQTT broker and FTP server access to flag logins from unexpected geographic locations or IP ranges.\n- Conduct periodic firmware and mobile app reverse-engineering reviews to proactively identify hard-coded secrets before threat actors do.",[12,13,14,15,16,17,18,19,20,21,22],"CIS Control 4 – Secure Configuration of Enterprise Assets and Software","CIS Control 7 – Continuous Vulnerability Management","CIS Control 12 – Network Infrastructure Management","NIST SP 800-53 IA-5 – Authenticator Management (no hard-coded passwords)","NIST SP 800-53 SC-8 – Transmission Confidentiality and Integrity","NIST SP 800-53 SA-15 – Development Process, Standards, and Tools","NIST CSF PR.IP-2 – System Development Life Cycle to manage security","OWASP Mobile Top 10 M1 – Improper Credential Usage","OWASP Mobile Top 10 M5 – Insecure Communication","FMCSA 49 CFR Part 395 – ELD Mandate (regulatory context for fleet device security)","IEC 62443-4-2 – Security for Industrial Automation and Control System Components",{},"published","2026-09-17T18:23:21.564244+00:00","2026-09-17T18:23:21.435+00:00",{"id":7,"url":28,"slug":29,"title":30},"https:\u002F\u002Fwww.cisa.gov\u002Fnews-events\u002Fics-advisories\u002Ficsa-26-260-01","bransys-eld-7110c4","Bransys ELD",[32,38,44],{"id":33,"name":34,"slug":35,"description":36,"color":37},"1ec88fde-2d0f-4ed8-932a-33f5ccc0fdc7","Access Control","access-control","Excessive privileges, missing MFA, weak auth","#f97316",{"id":39,"name":40,"slug":41,"description":42,"color":43},"859cf0ad-a7e9-42bb-a75d-bac6511fa5d5","Configuration Management","configuration-management","Misconfigs, default credentials, exposed services","#eab308",{"id":45,"name":46,"slug":47,"description":48,"color":49},"c8b843a5-d5a7-41d1-8d3b-cabded09d2ef","Data Protection","data-protection","Unencrypted data, missing DLP, poor classification","#3b82f6",[],[52,56,60],{"slug":53,"name":54,"problem":55},"vulnerability-management","Vulnerability scanning and prioritisation","You know which systems are vulnerable, and which ones to fix first.",{"slug":57,"name":58,"problem":59},"patch-management","Automated patch management","Known holes get closed in days, not months.",{"slug":61,"name":62,"problem":63},"ot-security","OT and industrial control system security","Factory, building and utility control systems get visibility and protection."]