FKIE_CVE-2025-29520

Vulnerability from fkie_nvd - Published: 2025-08-25 15:15 - Updated: 2026-06-17 09:05
Severity
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Summary
Incorrect access control in the Maintenance module of D-Link DSL-7740C with firmware DSL7740C.V6.TR069.20211230 allows authenticated attackers with low-level privileges to arbitrarily change the high-privileged account passwords and escalate privileges.
References
cve@mitre.orghttps://gist.github.com/stevenyu113228/da01c377030fd8c92274feca54661202Exploit, Third Party Advisory
cve@mitre.orghttps://www.dlink.com/en/security-bulletin/Vendor Advisory
Impacted products
Vendor Product Version
dlink dsl-7740c_firmware 6.tr069.20211230
dlink dsl-7740c -
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
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          "cpeMatch": [
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              "criteria": "cpe:2.3:o:dlink:dsl-7740c_firmware:6.tr069.20211230:*:*:*:*:*:*:*",
              "matchCriteriaId": "3BA9019D-6388-4E2E-895F-F6D7540FB074",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
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              "criteria": "cpe:2.3:h:dlink:dsl-7740c:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "DB3725D3-3C89-4471-8770-EA71D958C4F0",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Incorrect access control in the Maintenance module of D-Link DSL-7740C with firmware DSL7740C.V6.TR069.20211230 allows authenticated attackers with low-level privileges to arbitrarily change the high-privileged account passwords and escalate privileges."
    },
    {
      "lang": "es",
      "value": "El control de acceso incorrecto en el m\u00f3dulo de mantenimiento de D-Link DSL-7740C con firmware DSL7740C.V6.TR069.20211230 permite a atacantes autenticados con privilegios de bajo nivel cambiar arbitrariamente las contrase\u00f1as de cuentas con altos privilegios y escalar privilegios."
    }
  ],
  "id": "CVE-2025-29520",
  "lastModified": "2026-06-17T09:05:29.783",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-29520",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-08-26T16:01:40.331548Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2025-08-25T15:15:38.103",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
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        "Third Party Advisory"
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      "url": "https://gist.github.com/stevenyu113228/da01c377030fd8c92274feca54661202"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
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      ],
      "url": "https://www.dlink.com/en/security-bulletin/"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-284"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}



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