{"id":"CVE-2026-73177","title":"Nozomi Networks Labs identified a CWE-345: Insufficient Verification of Data Authenticity vulnerability in the firmware upgrade mechanism of the Advantech EKI-1242EIMS in firmware version V1.06.01","summary":"Nozomi Networks Labs identified a CWE-345: Insufficient Verification of Data Authenticity vulnerability in the firmware upgrade mechanism of the Advantech EKI-1242EIMS in firmware version V1.06.01. The device accepts firmware images thro…","severity":"high","cvss":8.6,"cvssVector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","cwe":["CWE-345"],"vendor":"Advantech","product":"EKI-1242IEIMS","affected":["EKI-1242IEIMS <= 1.06.01","EKI-1242EIMS <= 1.06.01"],"published":"2026-09-16","updated":"2026-09-17","sourceUpdated":"2026-09-17T19:16:56.263","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-73177","references":[{"url":"https://advcloudfiles.advantech.com/cms/5dafee28-ad53-4d07-a328-7896fcc24b6e/Security%20Advisory%20PDF%20File/SECURITY-ADVISORY----EKI-1242IEIMS-updated-20260904.pdf","label":"prodsec@nozominetworks.com"},{"url":"https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2026-73177","label":"prodsec@nozominetworks.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-17T18:58:48.842501Z"},"cvssSource":"cna","ingestedAt":"2026-09-16T13:56:12.621Z","epss":0.00148,"epssPercentile":0.03336,"slug":"CVE-2026-73177","body":"## Overview\n\nNozomi Networks Labs identified a CWE-345: Insufficient Verification of Data Authenticity vulnerability in the firmware upgrade mechanism of the Advantech EKI-1242EIMS in firmware version V1.06.01. The device accepts firmware images through the authenticated web management interface without performing any cryptographic signature or certificate verification. An authenticated administrator-level attacker can install arbitrary modified firmware on the device, enabling full persistent compromise of the platform.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":47,"depthScoreParts":{"impact":47.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}