CVE-2026-12220
HIGH SEVERITYCVSS Score & Metrics
Base Score
8.0 / 10
Vector String
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Vulnerability Description
A vulnerability has been found in Yealink SIP-T46U 108.86.0.118. This affects the function mod_upgrade.SparePartsUpload of the file /api/upgrade/accupgradebychunk of the component Firmware Chunk Upload handler. Such manipulation of the argument uid leads to stack-based buffer overflow. The attack can only be initiated within the local network. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Vulnerability Details
Published Date
Last Modified
CWE ID
CWE-119
Source
NVD
Vendor
Yealink
Product
SIP-T46U
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