CVE-2026-73177 PUBLISHED

Assigner: Nozomi
Reserved: 11.08.2026 Published: 16.09.2026 Updated: 16.09.2026

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 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.

Metrics

CVSS 4.0

CVSS Vector: 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
CVSS Score: 8.6

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	High
User Interaction	None

CVSS 4.0

Product Status

Vendor	Advantech
Product	EKI-1242IEIMS
Versions	Default: unaffected affected from 0 to 1.06.01 (incl.)

Vendor	Advantech
Product	EKI-1242EIMS
Versions	Default: unaffected affected from 0 to 1.06.01 (incl.)

Credits

Simone Bossi at Nozomi Networks finder

References

Problem Types

CWE-345 Insufficient Verification of Data Authenticity CWE

Impacts

CAPEC-185 Malicious Software Update