CVE-2026-12222

A vulnerability was determined in Yealink SIP-T46U 108.86.0.118. Affected is the function mod_webd.BlueToothTest of the file /api/inner/bttest of the component Web FastCGI Service. Executing a manipulation of the argument btMac/pin/reserved can lead to stack-based buffer overflow. The attack needs to be done within the local network. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure and is working on a patch to fix it.

CVSS v3 8.0 HIGH
CVSS v2.0 7.7 HIGH

8.0^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.1 / Impact : 5.9

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.7^/10

CVSS v2.0 : HIGH

Vector : AV:A/AC:L/Au:S/C:C/I:C/A:C

Exploitability : 5.1 / Impact : 10.0

Access Vector ADJACENT_NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
http://cdn2.v50to.cc/T46U/T46U_mod_webd_BlueToothTest_off_by_one.zip
https://vuldb.com/cve/CVE-2026-12222
https://vuldb.com/submit/834602
https://vuldb.com/vuln/370865
https://vuldb.com/vuln/370865/cti

Configurations

No configuration.

History

No history.

Information

Published : 2026-06-15 06:16

Updated : 2026-07-24 12:10

NVD link : CVE-2026-12222

Mitre link : CVE-2026-12222

CVE.ORG link : CVE-2026-12222

JSON object : View

Products Affected

No product.

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-121

Stack-based Buffer Overflow

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Affected is the function mod_webd.BlueToothTest of the file /api/inner/bttest of the component Web FastCGI Service. Executing a manipulation of the argument btMac/pin/reserved can lead to stack-based buffer overflow. The attack needs to be done within the local network. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure and is working on a patch to fix it."}, {"lang": "es", "value": "Se determin\u00f3 una vulnerabilidad en Yealink SIP-T46U 108.86.0.118. Se ve afectada la funci\u00f3n mod_webd.BlueToothTest del archivo /api/inner/bttest del componente Servicio Web FastCGI. La ejecuci\u00f3n de una manipulaci\u00f3n del argumento btMac/pin/reserved puede conducir a un desbordamiento de b\u00fafer basado en pila. El ataque debe realizarse dentro de la red local. El exploit ha sido divulgado p\u00fablicamente y puede ser utilizado. El proveedor fue contactado con antelaci\u00f3n sobre esta divulgaci\u00f3n, pero no respondi\u00f3 de ninguna manera."}], "lastModified": "2026-07-24T12:10:00.210", "sourceIdentifier": "cna@vuldb.com"}