« Back to list

CVE-2021-29070

Status: ModifiedHigh (8.4)—

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects RBK852 before 3.2.17.12, RBK853 before 3.2.17.12, RBK854 before 3.2.17.12, RBR850 before 3.2.17.12, and RBS850 before 3.2.17.12.

CVSS

Exploitation probability (EPSS)

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).

Affected technologies (5)

CWEs

References

Raw JSON (NVD)

Show
{
  "id": "CVE-2021-29070",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5.2,
          "accessVector": "ADJACENT_NETWORK",
          "vectorString": "AV:A/AC:L/Au:S/C:P/I:P/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 5.1,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "cve@mitre.org",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 8.4,
          "attackVector": "ADJACENT_NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 6,
        "exploitabilityScore": 1.7
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 8.4,
          "attackVector": "ADJACENT_NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 6,
        "exploitabilityScore": 1.7
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-03-23T07:15:13.483",
  "references": [
    {
      "url": "https://kb.netgear.com/000063019/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-WiFi-Routers-PSV-2020-0530",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://kb.netgear.com/000063019/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-WiFi-Routers-PSV-2020-0530",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-77"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Certain NETGEAR devices are affected by command injection by an authenticated user. This affects RBK852 before 3.2.17.12, RBK853 before 3.2.17.12, RBK854 before 3.2.17.12, RBR850 before 3.2.17.12, and RBS850 before 3.2.17.12."
    },
    {
      "lang": "es",
      "value": "Determinados dispositivos NETGEAR están afectados por una inyección de comandos por parte de un usuario autentificado. Esto afecta a RBK852 versiones anteriores a 3.2.17.12, RBK853 versiones anteriores a 3.2.17.12, RBK854 versiones anteriores a 3.2.17.12, RBR850 versiones anteriores a 3.2.17.12 y RBS850 versiones anteriores a 3.2.17.12"
    }
  ],
  "lastModified": "2026-06-17T03:47:14.177",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:netgear:rbk852_firmware:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "845C1FCC-F54B-452A-B121-1CD1A7867027",
              "versionEndExcluding": "3.2.17.12"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:netgear:rbk852:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "14F257FE-31CE-4F74-829D-29407D74ADF7"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:netgear:rbk853_firmware:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "64DF0B69-B591-47B6-88C1-82544AA3DE9B",
              "versionEndExcluding": "3.2.17.12"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:netgear:rbk853:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "4479CEAD-3B87-4993-80C8-1AE59242CFA4"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:netgear:rbk854_firmware:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "106863FF-9BE9-4C18-9A86-C458FF9EBDD6",
              "versionEndExcluding": "3.2.17.12"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:netgear:rbk854:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "01D12702-8B86-419C-8636-1259FD2D5844"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:netgear:rbr850_firmware:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "01E0EF50-145F-407A-8915-4EFFCD833505",
              "versionEndExcluding": "3.2.17.12"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:netgear:rbr850:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "D92E4C8E-222A-476C-8273-F7171FC61F0B"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:netgear:rbs850_firmware:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "0DC5A075-0619-409C-B057-41015B8C54B3",
              "versionEndExcluding": "3.2.17.12"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:netgear:rbs850:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "221CA950-E984-44CD-9E1B-3AADE3CEBE52"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}