Advantech ECU-1251D 08.04 default credentials

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
9.9$0-$5k1.27+

Summaryinfo

A vulnerability classified as very critical was found in Advantech ECU-1251D 08.04. This affects an unknown function. Such manipulation leads to default credentials. This vulnerability is documented as CVE-2026-6890. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as very critical, has been found in Advantech ECU-1251D 08.04. Affected by this issue is an unknown function. The manipulation with an unknown input leads to a default credentials vulnerability. Using CWE to declare the problem leads to CWE-1392. The product uses default credentials (such as passwords or cryptographic keys) for potentially critical functionality. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A use of default credentials vulnerability in the Advantech ECU-1251D allows a remote attacker to gain unauthorised access to the device via SSH using the default root account with no password, as documented in the device manual. No prompt or guidance to change these credentials is provided during device configuration, increasing the risk of exploitation.

The advisory is available at csa.gov.sg. This vulnerability is handled as CVE-2026-6890 since 04/23/2026. The exploitation is known to be easy. The attack may be launched remotely. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 07/31/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.9
VulDB Meta Temp Score: 9.9

VulDB Base Score: 9.9
VulDB Temp Score: 9.9
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Default credentials
CWE: CWE-1392
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

04/23/2026 CVE reserved
07/31/2026 +99 days Advisory disclosed
07/31/2026 +0 days VulDB entry created
07/31/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: advantech.com

Advisory: csa.gov.sg
Status: Not defined

CVE: CVE-2026-6890 (🔒)
GCVE (CVE): GCVE-0-2026-6890
GCVE (VulDB): GCVE-100-384986

Entryinfo

Created: 07/31/2026 05:08
Changes: 07/31/2026 05:08 (51)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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