CVE-2026-122124

Full vulnerability record from the local CVENow database.

Description

On Yealink UVC40 E2 devices before 319.410.0.71, an attacker with short-term physical access can steal Wi‑Fi credentials via the USB interface. Sensitive data within the firmware configuration can be abused to gain root privileges on the device. Within Wi‑Fi coverage, the attacker may perform audio and video eavesdropping with no LED alert from the device.

Severity

MEDIUM

CVSS score

6.1 (v3.1)

Vulnerability status

Received

Source identifier

[email protected]

Published

2026-11-04 19:17:39.727000

Last modified

2026-11-04 19:17:39.727000

View original CVE JSON

{
  "id": "CVE-2026-122124",
  "sourceIdentifier": "[email protected]",
  "published": "2026-11-04T19:17:39.727",
  "lastModified": "2026-11-04T19:17:39.727",
  "vulnStatus": "Received",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "On Yealink UVC40 E2 devices before 319.410.0.71, an attacker with short-term physical access can steal Wi‑Fi credentials via the USB interface. Sensitive data within the firmware configuration can be abused to gain root privileges on the device. Within Wi‑Fi coverage, the attacker may perform audio and video eavesdropping with no LED alert from the device."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Yealink",
          "product": "UVC40 E2",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0",
              "lessThan": "319.410.0.71",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
          "baseScore": 6.1,
          "baseSeverity": "MEDIUM",
          "attackVector": "PHYSICAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 0.9,
        "impactScore": 5.2
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-669"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://www.yealink.com/en/trust-center/security-bulletins/yealink-uvc40-e2-physical-access-via-usb-interface-allows-extraction-of-sensitive-data-and-root-privilege-acquisition",
      "source": "[email protected]"
    }
  ]
}