CVE-2026-73175 PUBLISHED

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

Nozomi Networks Labs identified a CWE-400: Uncontrolled Resource Consumption vulnerability in the OPC UA gateway component of Advantech EKI-1242EIMS in firmware version V1.06.01 that allows an adjacent unauthenticated attacker to exhaust the server session pool and cause a complete denial of service to all legitimate OPC UA clients by opening multiple anonymous sessions.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CVSS Score: 7.1

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Adjacent	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	None
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-400 Uncontrolled Resource Consumption CWE

Impacts

CAPEC-469 HTTP DoS