FKIE_CVE-2025-9497

Vulnerability from fkie_nvd - Published: 2026-03-28 11:16 - Updated: 2026-08-12 16:32
Severity
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
Use of Hard-coded Credentials vulnerability in Microchip Time Provider 4100 allows Malicious Manual Software Update.This issue affects Time Provider 4100: before 2.5.0.
References
dc3f6da9-85b5-4a73-84a2-2ec90b40fca5https://www.gruppotim.it/en/footer/TIM-red-team.htmlVendor Advisory, Exploit
dc3f6da9-85b5-4a73-84a2-2ec90b40fca5https://www.microchip.com/en-us/solutions/technologies/embedded-security/how-to-report-potential-product-security-vulnerabilities/timeprovider-4100-hardcoded-upgrade-decryption-passwordsVendor Advisory
Impacted products
Vendor Product Version
microchip timeprovider_4100_firmware *
microchip timeprovider_4100 -
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unknown",
          "product": "Time Provider 4100",
          "vendor": "Microchip",
          "versions": [
            {
              "lessThan": "2.5.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "dc3f6da9-85b5-4a73-84a2-2ec90b40fca5"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:microchip:timeprovider_4100_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "B4ECA4CE-4DA0-4CF6-BD62-254528B481B9",
              "versionEndExcluding": "2.5.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:microchip:timeprovider_4100:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "8D36DAD3-0804-42B0-A47F-6895177560EE",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Use of Hard-coded Credentials vulnerability in Microchip Time Provider 4100 allows Malicious Manual Software Update.This issue affects Time Provider 4100: before 2.5.0."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de uso de credenciales codificadas en Microchip Time Provider 4100 permite una actualizaci\u00f3n de software manual maliciosa. Este problema afecta a Time Provider 4100: antes de 2.5.0."
    }
  ],
  "id": "CVE-2025-9497",
  "lastModified": "2026-08-12T16:32:12.040",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "HIGH",
          "attackRequirements": "PRESENT",
          "attackVector": "LOCAL",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "PROOF_OF_CONCEPT",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "HIGH",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "LOW",
          "subConfidentialityImpact": "LOW",
          "subIntegrityImpact": "HIGH",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:L/VI:H/VA:L/SC:L/SI:H/SA:L/E:P/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",
          "version": "4.0",
          "vulnAvailabilityImpact": "LOW",
          "vulnConfidentialityImpact": "LOW",
          "vulnIntegrityImpact": "HIGH",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "dc3f6da9-85b5-4a73-84a2-2ec90b40fca5",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-9497",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-04-01T13:54:38.708217Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-03-28T11:16:35.337",
  "references": [
    {
      "source": "dc3f6da9-85b5-4a73-84a2-2ec90b40fca5",
      "tags": [
        "Vendor Advisory",
        "Exploit"
      ],
      "url": "https://www.gruppotim.it/en/footer/TIM-red-team.html"
    },
    {
      "source": "dc3f6da9-85b5-4a73-84a2-2ec90b40fca5",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.microchip.com/en-us/solutions/technologies/embedded-security/how-to-report-potential-product-security-vulnerabilities/timeprovider-4100-hardcoded-upgrade-decryption-passwords"
    }
  ],
  "sourceIdentifier": "dc3f6da9-85b5-4a73-84a2-2ec90b40fca5",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-798"
        }
      ],
      "source": "dc3f6da9-85b5-4a73-84a2-2ec90b40fca5",
      "type": "Secondary"
    }
  ]
}



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