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EUVD-2026-36694

🗓️ 15 Jun 2026 05:00:10Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 6 Views

Stack overflow in Yealink upgrade API via Firmware Chunk Upload Handler on the local network.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
Circl
CVE-2026-12221
14 Jun 202614:09
circl
CVE
CVE-2026-12221
15 Jun 202605:00
cve
Cvelist
CVE-2026-12221 Yealink SIP-T46U Firmware Chunk Upload upgrade sprintf stack-based overflow
15 Jun 202605:00
cvelist
NVD
CVE-2026-12221
15 Jun 202606:16
nvd
Positive Technologies
PT-2026-49137
14 Jun 202600:00
ptsecurity
Vulnrichment
CVE-2026-12221 Yealink SIP-T46U Firmware Chunk Upload upgrade sprintf stack-based overflow
15 Jun 202605:00
vulnrichment
[
  {
    "enisaIdVendor": [
      {
        "id": "1e0e1045-8efb-33a1-a5e0-3d37abd0fcce",
        "vendor": {
          "name": "Yealink"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "e2f1b0e2-019c-37c4-b465-2c7012bd164b",
        "product": {
          "name": "SIP-T46U",
          "vendor": {
            "name": "Yealink"
          }
        },
        "product_version": "108.86.0.118"
      }
    ]
  }
]

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15 Jun 2026 12:50Current
8.2High risk
Vulners AI Score8.2
CVSS 48.6
CVSS 27.7
CVSS 3.18
CVSS 38
SSVC
6