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2 vulnerabilities found for airMAX M by Ubiquiti Inc

CVE-2026-21639 (GCVE-0-2026-21639)

Vulnerability from nvd – Published: 2026-01-08 16:14 – Updated: 2026-01-08 17:21
VLAI?
Summary
A malicious actor in Wi-Fi range of the affected product could leverage a vulnerability in the airMAX Wireless Protocol to achieve a remote code execution (RCE) within the affected product. Affected Products: airMAX AC (Version 8.7.20 and earlier) airMAX M (Version 6.3.22 and earlier) airFiber AF60-XG (Version 1.2.2 and earlier) airFiber AF60 (Version 2.6.7 and earlier) Mitigation: Update your airMAX AC to Version 8.7.21 or later. Update your airMAX M to Version 6.3.24 or later. Update your airFiber AF60-XG to Version 1.2.3 or later. Update your airFiber AF60 to Version 2.6.8 or later.
Severity ?
5.4 (Medium)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CWE
  • CWE-77 - Improper Neutralization of Special Elements used in a Command ('Command Injection')
Assigner
References
Impacted products
Vendor Product Version
Ubiquiti Inc airMAX AC Affected: 0 , < 8.7.21 (semver)
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{
  "containers": {
    "adp": [
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        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "ADJACENT_NETWORK",
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              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "LOW",
              "integrityImpact": "LOW",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
              "version": "3.1"
            }
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            "other": {
              "content": {
                "id": "CVE-2026-21639",
                "options": [
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                  },
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                    "Technical Impact": "partial"
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                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-01-08T17:09:52.634464Z",
                "version": "2.0.3"
              },
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            }
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        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-77",
                "description": "CWE-77 Improper Neutralization of Special Elements used in a Command (\u0027Command Injection\u0027)",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-01-08T17:21:53.724Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "airMAX AC",
          "vendor": "Ubiquiti Inc",
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              "version": "0",
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            }
          ]
        },
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          "vendor": "Ubiquiti Inc",
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              "status": "affected",
              "version": "0",
              "versionType": "semver"
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        },
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          "defaultStatus": "unaffected",
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              "version": "0",
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            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "airFiber AF60",
          "vendor": "Ubiquiti Inc",
          "versions": [
            {
              "lessThan": "2.6.8",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A malicious actor in Wi-Fi range of the affected product could leverage a vulnerability in the airMAX Wireless Protocol to achieve a remote code execution (RCE) within the affected product.\r\n\r\n \r\n\r\nAffected Products:\r\n\r\nairMAX AC (Version 8.7.20 and earlier)\r\nairMAX M (Version 6.3.22 and earlier)\r\nairFiber AF60-XG (Version 1.2.2 and earlier)\r\nairFiber AF60 (Version 2.6.7 and earlier)\r\n\r\n \r\n\r\nMitigation:\r\n\r\nUpdate your airMAX AC to Version 8.7.21 or later.\r\nUpdate your airMAX M to Version 6.3.24 or later.\r\nUpdate your airFiber AF60-XG to Version 1.2.3 or later.\r\nUpdate your airFiber AF60 to Version 2.6.8 or later."
        }
      ],
      "providerMetadata": {
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          "url": "https://community.ui.com/releases/Security-Advisory-Bulletin-061-061/1e4fe5f8-29c7-4a7d-a518-01b1537983ba"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
    "assignerShortName": "hackerone",
    "cveId": "CVE-2026-21639",
    "datePublished": "2026-01-08T16:14:22.626Z",
    "dateReserved": "2026-01-01T15:00:02.339Z",
    "dateUpdated": "2026-01-08T17:21:53.724Z",
    "state": "PUBLISHED"
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CVE-2026-21639 (GCVE-0-2026-21639)

Vulnerability from cvelistv5 – Published: 2026-01-08 16:14 – Updated: 2026-01-08 17:21
VLAI?
Summary
A malicious actor in Wi-Fi range of the affected product could leverage a vulnerability in the airMAX Wireless Protocol to achieve a remote code execution (RCE) within the affected product. Affected Products: airMAX AC (Version 8.7.20 and earlier) airMAX M (Version 6.3.22 and earlier) airFiber AF60-XG (Version 1.2.2 and earlier) airFiber AF60 (Version 2.6.7 and earlier) Mitigation: Update your airMAX AC to Version 8.7.21 or later. Update your airMAX M to Version 6.3.24 or later. Update your airFiber AF60-XG to Version 1.2.3 or later. Update your airFiber AF60 to Version 2.6.8 or later.
Severity ?
5.4 (Medium)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CWE
  • CWE-77 - Improper Neutralization of Special Elements used in a Command ('Command Injection')
Assigner
References
Impacted products
Vendor Product Version
Ubiquiti Inc airMAX AC Affected: 0 , < 8.7.21 (semver)
Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "ADJACENT_NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 5.4,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "LOW",
              "integrityImpact": "LOW",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-21639",
                "options": [
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                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-01-08T17:09:52.634464Z",
                "version": "2.0.3"
              },
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        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-77",
                "description": "CWE-77 Improper Neutralization of Special Elements used in a Command (\u0027Command Injection\u0027)",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-01-08T17:21:53.724Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
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        {
          "defaultStatus": "unaffected",
          "product": "airMAX AC",
          "vendor": "Ubiquiti Inc",
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              "versionType": "semver"
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              "status": "affected",
              "version": "0",
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        },
        {
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          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "airFiber AF60",
          "vendor": "Ubiquiti Inc",
          "versions": [
            {
              "lessThan": "2.6.8",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A malicious actor in Wi-Fi range of the affected product could leverage a vulnerability in the airMAX Wireless Protocol to achieve a remote code execution (RCE) within the affected product.\r\n\r\n \r\n\r\nAffected Products:\r\n\r\nairMAX AC (Version 8.7.20 and earlier)\r\nairMAX M (Version 6.3.22 and earlier)\r\nairFiber AF60-XG (Version 1.2.2 and earlier)\r\nairFiber AF60 (Version 2.6.7 and earlier)\r\n\r\n \r\n\r\nMitigation:\r\n\r\nUpdate your airMAX AC to Version 8.7.21 or later.\r\nUpdate your airMAX M to Version 6.3.24 or later.\r\nUpdate your airFiber AF60-XG to Version 1.2.3 or later.\r\nUpdate your airFiber AF60 to Version 2.6.8 or later."
        }
      ],
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      ]
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    "assignerShortName": "hackerone",
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    "datePublished": "2026-01-08T16:14:22.626Z",
    "dateReserved": "2026-01-01T15:00:02.339Z",
    "dateUpdated": "2026-01-08T17:21:53.724Z",
    "state": "PUBLISHED"
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