CWE-1258

Exposure of Sensitive System Information Due to Uncleared Debug Information

The hardware does not fully clear security-sensitive values, such as keys and intermediate values in cryptographic operations, when debug mode is entered.

CVE-2025-26482 (GCVE-0-2025-26482)
Vulnerability from cvelistv5
Published
2025-09-25 21:11
Modified
2025-09-26 17:39
CWE
  • CWE-1258 - Exposure of Sensitive System Information Due to Uncleared Debug Information
Summary
Dell PowerEdge Server BIOS and Dell iDRAC9, all versions, contains an Information Disclosure vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to Information Disclosure.
Impacted products
Vendor Product Version
Dell PowerEdge R770 Version: N/A   
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   Dell PowerEdge R670 Version: N/A   
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   Dell PowerEdge R570 Version: N/A   
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   Dell PowerEdge R470 Version: N/A   
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   Dell PowerEdge R6715 Version: N/A   
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   Dell PowerEdge R7715 Version: N/A   
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   Dell PowerEdge R6725 Version: N/A   
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   Dell PowerEdge R7725 Version: N/A   
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   Dell PowerEdge R660 Version: N/A   
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   Dell PowerEdge R760 Version: N/A   
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   Dell PowerEdge C6620 Version: N/A   
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   Dell PowerEdge MX760c Version: N/A   
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   Dell PowerEdge R860 Version: N/A   
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   Dell PowerEdge R960 Version: N/A   
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   Dell PowerEdge HS5610 Version: N/A   
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   Dell PowerEdge HS5620 Version: N/A   
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   Dell PowerEdge R660xs Version: N/A   
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   Dell PowerEdge R760xs Version: N/A   
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   Dell PowerEdge R760xd2 Version: N/A   
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   Dell PowerEdge T560 Version: N/A   
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   Dell PowerEdge R760xa Version: N/A   
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   Dell PowerEdge XE9680 Version: N/A   
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   Dell PowerEdge XE9680L Version: N/A   
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   Dell PowerEdge XR5610 Version: N/A   
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   Dell PowerEdge XR8610t Version: N/A   
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   Dell PowerEdge XR8620t Version: N/A   
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   Dell PowerEdge XR7620 Version: N/A   
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   Dell PowerEdge XE8640 Version: N/A   
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   Dell PowerEdge XE9640 Version: N/A   
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   Dell PowerEdge T160 Version: N/A   
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   Dell PowerEdge T360 Version: N/A   
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   Dell PowerEdge R260 Version: N/A   
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   Dell PowerEdge R360 Version: N/A   
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   Dell PowerEdge R650 Version: N/A   
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   Dell PowerEdge R750 Version: N/A   
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   Dell PowerEdge R750XA Version: N/A   
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   Dell PowerEdge C6520 Version: N/A   
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   Dell PowerEdge MX750C Version: N/A   
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   Dell PowerEdge R550 Version: N/A   
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   Dell PowerEdge R450 Version: N/A   
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   Dell PowerEdge R650XS Version: N/A   
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   Dell PowerEdge R750XS Version: N/A   
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   Dell PowerEdge T550 Version: N/A   
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   Dell PowerEdge XR11 Version: N/A   
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   Dell PowerEdge XR12 Version: N/A   
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   Dell PowerEdge XR4510c Version: N/A   
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   Dell PowerEdge XR4520c Version: N/A   
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   Dell PowerEdge T150 Version: N/A   
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   Dell PowerEdge T350 Version: N/A   
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   Dell PowerEdge R250 Version: N/A   
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   Dell PowerEdge R350 Version: N/A   
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   Dell PowerEdge R740 Version: N/A   
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   Dell PowerEdge R740XD Version: N/A   
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   Dell PowerEdge R640 Version: N/A   
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   Dell PowerEdge R940 Version: N/A   
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   Dell PowerEdge R540 Version: N/A   
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   Dell PowerEdge R440 Version: N/A   
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   Dell PowerEdge T440 Version: N/A   
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   Dell PowerEdge XR2 Version: N/A   
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   Dell PowerEdge R740XD2 Version: N/A   
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   Dell PowerEdge R840 Version: N/A   
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   Dell PowerEdge R940XA Version: N/A   
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   Dell PowerEdge T640 Version: N/A   
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   Dell PowerEdge C6420 Version: N/A   
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   Dell PowerEdge FC640 Version: N/A   
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   Dell PowerEdge M640 Version: N/A   
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   Dell PowerEdge M640 (for PE VRTX) Version: N/A   
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   Dell PowerEdge MX740C Version: N/A   
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   Dell PowerEdge MX840C Version: N/A   
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   Dell PowerEdge C4140 Version: N/A   
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   Dell DSS 8440 Version: N/A   
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   Dell PowerEdge XE2420 Version: N/A   
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   Dell PowerEdge XE7420 Version: N/A   
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   Dell PowerEdge XE7440 Version: N/A   
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   Dell PowerEdge T140 Version: N/A   
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   Dell PowerEdge T340 Version: N/A   
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   Dell PowerEdge R240 Version: N/A   
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   Dell PowerEdge R340 Version: N/A   
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   Dell Dell EMC Storage NX3240 Version: N/A   
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   Dell Dell EMC Storage NX3340 Version: N/A   
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   Dell Dell EMC NX440 Version: N/A   
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   Dell Dell XC Core XC660 Version: N/A   
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   Dell Dell XC Core XC760 Version: N/A   
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   Dell Dell XC Core XC660xs Version: N/A   
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   Dell Dell XC Core XC760xa Version: N/A   
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   Dell Dell EMC XC Core XC450 Version: N/A   
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   Dell Dell EMC XC Core XC650 Version: N/A   
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   Dell Dell EMC XC Core XC750 Version: N/A   
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   Dell Dell EMC XC Core XC750xa Version: N/A   
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   Dell Dell EMC XC Core XC6520 Version: N/A   
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   Dell Dell EMC XC Core 6420 System Version: N/A   
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   Dell Dell EMC XC Core XC640 System Version: N/A   
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   Dell Dell EMC XC Core XC740xd System Version: N/A   
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   Dell Dell EMC XC Core XC740xd2 Version: N/A   
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   Dell Dell EMC XC Core XC940 System Version: N/A   
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   Dell Dell EMC XC Core XCXR2 Version: N/A   
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   Dell PowerEdge R6615 Version: N/A   
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   Dell PowerEdge R7615 Version: N/A   
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   Dell PowerEdge R6625 Version: N/A   
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   Dell PowerEdge R7625 Version: N/A   
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   Dell PowerEdge C6615 Version: N/A   
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   Dell PowerEdge R6515 Version: N/A   
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   Dell PowerEdge R6525 Version: N/A   
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   Dell PowerEdge R7515 Version: N/A   
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   Dell PowerEdge R7525 Version: N/A   
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   Dell PowerEdge C6525 Version: N/A   
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   Dell PowerEdge XE8545 Version: N/A   
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   Dell Dell EMC XC Core XC7525 Version: N/A   
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   Dell Dell XC Core XC7625 Version: N/A   
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   Dell PowerEdge R6415 Version: N/A   
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   Dell PowerEdge R7415 Version: N/A   
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   Dell PowerEdge R7425 Version: N/A   
Create a notification for this product.
   Dell iDRAC9 Version: N/A   
Create a notification for this product.
   Dell iDRAC9 Version: N/A   
Create a notification for this product.
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-26482",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-09-26T17:38:37.455824Z",
                "version": "2.0.3"
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        "providerMetadata": {
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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        "title": "CISA ADP Vulnrichment"
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              "version": "N/A",
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        {
          "defaultStatus": "unaffected",
          "product": "PowerEdge R570",
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        {
          "defaultStatus": "unaffected",
          "product": "PowerEdge R470",
          "vendor": "Dell",
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              "version": "N/A",
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        {
          "defaultStatus": "unaffected",
          "product": "PowerEdge R6715",
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              "status": "affected",
              "version": "N/A",
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        {
          "defaultStatus": "unaffected",
          "product": "PowerEdge R7715",
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              "status": "affected",
              "version": "N/A",
              "versionType": "semver"
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        {
          "defaultStatus": "unaffected",
          "product": "PowerEdge R6725",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "1.1.3",
              "status": "affected",
              "version": "N/A",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "PowerEdge R7725",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "1.1.3",
              "status": "affected",
              "version": "N/A",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "PowerEdge R660",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "2.5.4",
              "status": "affected",
              "version": "N/A",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "PowerEdge R760",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "2.5.4",
              "status": "affected",
              "version": "N/A",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "PowerEdge C6620",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "2.5.4",
              "status": "affected",
              "version": "N/A",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "PowerEdge MX760c",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "2.5.4",
              "status": "affected",
              "version": "N/A",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "PowerEdge R860",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "2.5.4",
              "status": "affected",
              "version": "N/A",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "PowerEdge R960",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "2.5.4",
              "status": "affected",
              "version": "N/A",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "PowerEdge HS5610",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "2.5.4",
              "status": "affected",
              "version": "N/A",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "PowerEdge HS5620",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "2.5.4",
              "status": "affected",
              "version": "N/A",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "PowerEdge R660xs",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "2.5.4",
              "status": "affected",
              "version": "N/A",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "PowerEdge R760xs",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "2.5.4",
              "status": "affected",
              "version": "N/A",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "PowerEdge R760xd2",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "2.5.4",
              "status": "affected",
              "version": "N/A",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "PowerEdge T560",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "2.5.4",
              "status": "affected",
              "version": "N/A",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "PowerEdge R760xa",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "2.5.4",
              "status": "affected",
              "version": "N/A",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "PowerEdge XE9680",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "2.5.4",
              "status": "affected",
              "version": "N/A",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "PowerEdge XE9680L",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "2.5.4",
              "status": "affected",
              "version": "N/A",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "PowerEdge XR5610",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "2.5.4",
              "status": "affected",
              "version": "N/A",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "PowerEdge XR8610t",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "2.5.4",
              "status": "affected",
              "version": "N/A",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "PowerEdge XR8620t",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "2.5.4",
              "status": "affected",
              "version": "N/A",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "PowerEdge XR7620",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "2.5.4",
              "status": "affected",
              "version": "N/A",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "PowerEdge XE8640",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "2.5.4",
              "status": "affected",
              "version": "N/A",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "PowerEdge XE9640",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "2.5.4",
              "status": "affected",
              "version": "N/A",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "PowerEdge T160",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "2.0.0",
              "status": "affected",
              "version": "N/A",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "PowerEdge T360",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "2.0.0",
              "status": "affected",
              "version": "N/A",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "PowerEdge R260",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "2.0.0",
              "status": "affected",
              "version": "N/A",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "PowerEdge R360",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "2.0.0",
              "status": "affected",
              "version": "N/A",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "PowerEdge R650",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "1.16.2",
              "status": "affected",
              "version": "N/A",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "PowerEdge R750",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "1.16.2",
              "status": "affected",
              "version": "N/A",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "PowerEdge R750XA",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "1.16.2",
              "status": "affected",
              "version": "N/A",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "PowerEdge C6520",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "1.16.2",
              "status": "affected",
              "version": "N/A",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "PowerEdge MX750C",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "1.16.2",
              "status": "affected",
              "version": "N/A",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "PowerEdge R550",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "1.16.2",
              "status": "affected",
              "version": "N/A",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "PowerEdge R450",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "1.16.2",
              "status": "affected",
              "version": "N/A",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "PowerEdge R650XS",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "1.16.2",
              "status": "affected",
              "version": "N/A",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "PowerEdge R750XS",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "1.16.2",
              "status": "affected",
              "version": "N/A",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "PowerEdge T550",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "1.16.2",
              "status": "affected",
              "version": "N/A",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "PowerEdge XR11",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "1.16.2",
              "status": "affected",
              "version": "N/A",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "PowerEdge XR12",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "1.16.2",
              "status": "affected",
              "version": "N/A",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "PowerEdge XR4510c",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "1.17.3",
              "status": "affected",
              "version": "N/A",
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  },
  "cveMetadata": {
    "assignerOrgId": "c550e75a-17ff-4988-97f0-544cde3820fe",
    "assignerShortName": "dell",
    "cveId": "CVE-2025-26482",
    "datePublished": "2025-09-25T21:11:43.372Z",
    "dateReserved": "2025-02-11T06:06:12.147Z",
    "dateUpdated": "2025-09-26T17:39:20.743Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Mitigation

Phase: Architecture and Design

Description:

  • Whenever debug mode is enabled, all registers containing sensitive assets must be cleared.
CAPEC-150: Collect Data from Common Resource Locations

An adversary exploits well-known locations for resources for the purposes of undermining the security of the target. In many, if not most systems, files and resources are organized in a default tree structure. This can be useful for adversaries because they often know where to look for resources or files that are necessary for attacks. Even when the precise location of a targeted resource may not be known, naming conventions may indicate a small area of the target machine's file tree where the resources are typically located. For example, configuration files are normally stored in the /etc director on Unix systems. Adversaries can take advantage of this to commit other types of attacks.

CAPEC-204: Lifting Sensitive Data Embedded in Cache

An adversary examines a target application's cache, or a browser cache, for sensitive information. Many applications that communicate with remote entities or which perform intensive calculations utilize caches to improve efficiency. However, if the application computes or receives sensitive information and the cache is not appropriately protected, an attacker can browse the cache and retrieve this information. This can result in the disclosure of sensitive information.

CAPEC-37: Retrieve Embedded Sensitive Data

An attacker examines a target system to find sensitive data that has been embedded within it. This information can reveal confidential contents, such as account numbers or individual keys/credentials that can be used as an intermediate step in a larger attack.

CAPEC-545: Pull Data from System Resources

An adversary who is authorized or has the ability to search known system resources, does so with the intention of gathering useful information. System resources include files, memory, and other aspects of the target system. In this pattern of attack, the adversary does not necessarily know what they are going to find when they start pulling data. This is different than CAPEC-150 where the adversary knows what they are looking for due to the common location.

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