CVE-2026-111854

Status: Awaiting AnalysisHigh (8.1)—

Severity8.1High · CVSS 3.1

Exploitation probability0.39 %higher than 32% of CVEs

Active exploitationNonot in the CISA catalog

Public exploitNot knownno public code found

An issue was discovered on Tektronix 3 Series MDO devices before 1.21.1. A path traversal vulnerability in the SCPI FILESystem command interface allows remote attackers to read or modify arbitrary files on the device through insufficient validation of file paths supplied to filesystem access commands.

CVSS

Base score: 8.1
Version: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 0.39 %
Percentile among all scored CVEs: 32
Score date: 10/20/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

ATT&CK techniques

How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.

ExploitationT1210 Exploitation of Remote Serviceslateral movement85 %
Primary impactT1005 Data from Local Systemcollection85 %
Secondary impactT1565 Data Manipulationimpact60 %

El vector es red con privilegios bajos (PR:L) y la descripción indica que permite leer o modificar archivos arbitrarios mediante path traversal en comandos SCPI FILESystem.

Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.

ATT&CK mitigations that cover these techniques

Network Segmentation Vulnerability Scanning Threat Intelligence Program Restrict File and Directory Permissions Privileged Account Management Remote Data Storage

Affected technologies (1)

⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.

Tektronix — 3 Series MDO Devices^AI

CWEs

CWE-22

References

Show 2 references

Raw JSON (NVD)

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{
  "id": "CVE-2026-111854",
  "cveTags": [],
  "metrics": {
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-111854",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-10-19T21:27:14.084399Z"
        }
      }
    ],
    "cvssMetricV31": [
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        "type": "Secondary",
        "source": "cve@mitre.org",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.1,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.2,
        "exploitabilityScore": 2.8
      }
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  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "Tektronix",
          "product": "3 Series MDO",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "1.21.1",
              "versionType": "semver"
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  "published": "2026-10-17T02:17:18.750",
  "references": [
    {
      "url": "https://download.tek.com/document/TEK-PSA-002-092026.pdf",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.tek.com/en/products/oscilloscopes/3-series-mdo",
      "source": "cve@mitre.org"
    }
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  "vulnStatus": "Awaiting Analysis",
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      "lang": "en",
      "value": "An issue was discovered on Tektronix 3 Series MDO devices before 1.21.1. A path traversal vulnerability in the SCPI FILESystem command interface allows remote attackers to read or modify arbitrary files on the device through insufficient validation of file paths supplied to filesystem access commands."
    }
  ],
  "lastModified": "2026-10-19T22:17:03.853",
  "sourceIdentifier": "cve@mitre.org"
}