EUVD-2026-80728
GHSA-8v7v-4cm7-924p
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/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
Remote, unauthenticated, low-complexity injection over TCP 5058 executing commands as root yields full C/I/A impact; scope unchanged as impact is confined to the device OS.
Primary rating from Vendor (Nozomi).
CVSS VectorVendor: Nozomi
Lifecycle Timeline
2DescriptionCVE.org
Nozomi Networks Labs identified a CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in the edgserver management service of Advantech EKI-1242EIMS in firmware version V1.06.01 that allows a remote unauthenticated attacker to execute arbitrary OS commands as root via crafted requests to TCP port 5058.
AnalysisAI
Unauthenticated OS command injection in the edgserver management service of Advantech EKI-1242EIMS and EKI-1242IEIMS gateways running firmware V1.06.01 lets remote attackers execute arbitrary operating-system commands with root privileges via crafted requests sent to TCP port 5058. No credentials or user interaction are required (CVSS 4.0 vector PR:N/UI:N, provider score 9.3; our independent CVSS 3.1 assessment is AV:N/AC:L/PR:N/UI:N with high confidentiality, integrity and availability impact), and default configurations are affected. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires network reachability to the edgserver management service listening on TCP port 5058 of an Advantech EKI-1242EIMS/EKI-1242IEIMS gateway running firmware V1.06.01. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a genuine high-priority vulnerability, not a high-CVSS-but-low-real-risk case. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Patch status is not confirmed by the provided data: no exact fixed firmware version is specified in the CVE record or in the supplied references, although Advantech has published a security advisory for the EKI-1242IEIMS family (updated 2026-09-04, https://advcloudfiles.advantech.com/cms/5dafee28-ad53-4d07-a328-7896fcc24b6e/Security%20Advisory%20PDF%20File/SECURITY-ADVISORY----EKI-1242IEIMS-updated-20260904.pdf) and a researcher advisory is available from Nozomi Networks Labs (https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2026-73172); consult the vendor advisory directly for the exact patched firmware release and apply it as soon as it is validated for your environment. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all Advantech EKI-1242EIMS and EKI-1242IEIMS units running firmware V1.06.01, determine which have TCP port 5058 reachable from outside a trusted management segment, and block that port at the perimeter and inter-segment firewalls or disable the edgserver management service where it is not operationally required. …
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Same weakness CWE-78 – OS Command Injection
View allSame technique Command Injection
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External POC / Exploit Code
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