CVE-2026-122120

Full vulnerability record from the local CVENow database.

Description

In Yealink Plug-in Softwares before 2.35.219.0, there is an unauthorized file write vulnerability under specific scenarios, which may be exploited by attackers to achieve remote code execution.

Severity

CRITICAL

CVSS score

9.0 (v3.1)

Vulnerability status

Received

Source identifier

[email protected]

Published

2026-11-04 19:17:39.560000

Last modified

2026-11-04 19:17:39.560000

View original CVE JSON

{
  "id": "CVE-2026-122120",
  "sourceIdentifier": "[email protected]",
  "published": "2026-11-04T19:17:39.560",
  "lastModified": "2026-11-04T19:17:39.560",
  "vulnStatus": "Received",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In Yealink Plug-in Softwares before 2.35.219.0, there is an unauthorized file write vulnerability under specific scenarios, which may be exploited by attackers to achieve remote code execution."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Yealink",
          "product": "Plug-in Softwares",
          "defaultStatus": "unaffected",
          "platforms": [
            "Windows"
          ],
          "versions": [
            {
              "version": "0",
              "lessThan": "2.35.219.0",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H",
          "baseScore": 9.0,
          "baseSeverity": "CRITICAL",
          "attackVector": "NETWORK",
          "attackComplexity": "HIGH",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "CHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 6.0
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-434"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://support.yealink.com/product-detail/0198a686-f259-7994-bd17-7f9d88c3359a",
      "source": "[email protected]"
    },
    {
      "url": "https://www.yealink.com/en/trust-center/security-bulletins/yealink-plugin-softwares-remote-code-execution-vulnerability",
      "source": "[email protected]"
    }
  ]
}