EUVD-2026-80733Severity by source
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/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
Network-reachable web UI (AV:N) with low complexity (AC:L) but requires high-privileged admin authentication (PR:H); code runs as root giving full C/I/A impact on the device itself (S:U).
Primary rating from Vendor (Nozomi).
CVSS VectorVendor: Nozomi
Lifecycle Timeline
2DescriptionCVE.org
Nozomi Networks Labs identified a CWE-94: Improper Control of Generation of Code ('Code Injection') vulnerability in the web management interface of Advantech EKI-1242IEIMS in firmware version V1.06.01 that allows a remote authenticated attacker to execute arbitrary code on the device, including OS commands as root.
AnalysisAI
Code injection in the web management interface of Advantech EKI-1242IEIMS (and the closely related EKI-1242EIMS) industrial gateways on firmware V1.06.01 lets a remote attacker who already holds high-privilege web UI credentials execute arbitrary code on the device, including OS commands running as root. Exploitation is low-complexity once the attacker is authenticated, but the admin credential requirement (CVSS PR:H) is a hard gate that limits exposure to devices whose management interfaces are reachable and whose admin accounts have been compromised, reused, or left at weak/default values. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Requires the attacker to be a remote AUTHENTICATED user with HIGH privileges (PR:H) on the web management interface of an Advantech EKI-1242IEIMS or EKI-1242EIMS gateway running firmware V1.06.01 - i.e., valid administrative credentials to the web UI are a hard prerequisite. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a genuine but access-gated risk. … 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 | Apply the firmware fix published in Advantech's security advisory for the EKI-1242IEIMS (https://advcloudfiles.advantech.com/cms/5dafee28-ad53-4d07-a328-7896fcc24b6e/Security%20Advisory%20PDF%20File/SECURITY-ADVISORY----EKI-1242IEIMS-updated-20260904.pdf) - patch availability is confirmed per vendor advisory, but no specific fixed version number is given in the available data, so confirm the target release directly with Advantech rather than assuming one; also check coverage for the EKI-1242EIMS variant. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all Advantech EKI-1242IEIMS and EKI-1242EIMS devices running firmware V1.06.01, remove or firewall any internet-facing web management access, restrict management to a trusted VPN or management VLAN, force unique strong passwords for all admin accounts, disable default or unused accounts, and review web UI and OS logs for unexpected administrative activity. …
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Same weakness CWE-94 – Code Injection
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External POC / Exploit Code
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