Vulnerability-Lookup

CVE-2026-6890 (GCVE-0-2026-6890)

Vulnerability from cvelistv5 – Published: 2026-07-31 02:27 – Updated: 2026-07-31 05:09

This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.

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GHSA-HP8C-4HVC-JR88

Vulnerability from github – Published: 2026-07-31 03:31 – Updated: 2026-07-31 03:31

Details

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.

Severity

7.1 (High)


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

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  "affected": [],
  "aliases": [
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    "nvd_published_at": "2026-07-31T03:16:25Z",
    "severity": "HIGH"
  },
  "details": "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.",
  "id": "GHSA-hp8c-4hvc-jr88",
  "modified": "2026-07-31T03:31:18Z",
  "published": "2026-07-31T03:31:18Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-6890"
    },
    {
      "type": "WEB",
      "url": "https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-095"
    }
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      "score": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/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",
      "type": "CVSS_V4"
    }
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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.

Action not permitted

CVE-2026-6890 (GCVE-0-2026-6890)

GHSA-HP8C-4HVC-JR88

Tags

Sightings

Nomenclature