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 but did not respond in any way.
History

Mon, 15 Jun 2026 06:00:00 +0000

Type Values Removed Values Added
Description 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 but did not respond in any way.
Title Yealink SIP-T46U Web FastCGI Service bttest mod_webd.BlueToothTest stack-based overflow
First Time appeared Yealink
Yealink sip-t46u
Weaknesses CWE-119
CWE-121
CPEs cpe:2.3:a:yealink:sip-t46u:*:*:*:*:*:*:*:*
Vendors & Products Yealink
Yealink sip-t46u
References
Metrics cvssV2_0

{'score': 7.7, 'vector': 'AV:A/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 8, 'vector': 'CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 8, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 8.6, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-06-15T05:15:09.045Z

Reserved: 2026-06-14T13:54:21.407Z

Link: CVE-2026-12222

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-06-15T06:16:24.413

Modified: 2026-06-15T06:16:24.413

Link: CVE-2026-12222

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-15T07:30:31Z