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CVE-2015-6476· NVD / CVE Program· CNA icscert

Advantech EKI-122x-BE devices with firmware before 1.65, EKI-132x devices with firmware before 1.98, and EKI-136x devices with firmware befo

Advantech EKI-122x-BE devices with firmware before 1.65, EKI-132x devices with firmware before 1.98, and EKI-136x devices with firmware before 1.27 have hardcoded SSH keys, which makes it easier for remote attackers to obtain access via an SSH session.

CriticalCVSS 10.0 · v2.0—No exploit No fix recorded
Published
Nov 6, 2015
Updated
Jun 16, 2026
EPSS
2.3% · 83th percentile
CWE
—
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JSON

Action score

41

Plan

Add it to your regular patch cycle.

CVSS
40 / 40 · 10.0 / 10
CISA KEV
0 / 30 · Not listed
EPSS
1 / 30 · 2.3%

Affected systems

VendorProduct
advantecheki-1321 series firmware
advantecheki-1322 series firmware
advantecheki-1321
advantecheki-1322
advantecheki-1361 series firmware
advantecheki-1362 series firmware
advantecheki-1361
advantecheki-1362
advantecheki-122x series firmware
advantecheki-1221
advantecheki-1221d
advantecheki-1222

and 2 more

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • advantech eki-122x series firmwareup to 1.49 inclusive
  • advantech eki-1321 series firmwareup to 1.96 inclusive
  • advantech eki-1322 series firmwareup to 1.96 inclusive
  • advantech eki-1361 series firmwareup to 1.17 inclusive
  • advantech eki-1362 series firmwareup to 1.17 inclusive

Other highest-scoring records for the same primary product.

  • CVE-2015-7938Advantech EKI-132x devices with firmware before 2015-12-31 allow remote attackers to bypass authentication via unspecified vectors.
    40Plan

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

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Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • No special conditions are required; it is repeatable.

If successful

Confidentiality
C · data can be read
Integrity
C · data or configuration can be modified
Availability
C · the service can be disrupted
Attack complexity
Low
Confidentiality impact
C
Integrity impact
C
Availability impact
C

Weakness class (CWE)

—

CVSS vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

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