CVE:CVE-2019-14657
CNNVD:CNNVD-201910-376
Yealink phones是中国亿联（Yealink）公司的IP电话产品。
Yealink phones 2019-08-04及之前版本中存在代码问题漏洞。该漏洞源于网络系统或产品的代码开发过程中存在设计或实现不当的问题。
solution:Upgrade yeahlink vp59_firmware to a higher version than 2019-08-04,and avoid the version (,2019-08-04]; Upgrade yeahlink t49g_firmware to a higher version than 2019-08-04,and avoid the version (,2019-08-04]; Upgrade yeahlink t58v_firmware to a higher version than 2019-08-04,and avoid the version (,2019-08-04]