Default Credential Vulnerability in Advantech ECU-1251D
CVE-2026-6890

7.1HIGH

Key Information:

Vendor

Advantech
Status
Ecu-1251d08.04
Vendor
CVE Published:
31 July 2026

What is CVE-2026-6890?

The Advantech ECU-1251D has a significant security flaw that allows remote attackers to access the device via SSH using a default root account with no password. This vulnerability is exacerbated by the lack of prompts or guidance for users to change these default credentials during the initial device setup, creating a potential entry point for unauthorized access and exploitation.

Affected Version(s)

ECU-1251D08.04 08.04

References

https://www.csa.gov.sg/alerts-and-advisories/alerts/al-20...

CVSS V4

Score:
7.1
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.