Three people familiar with the matter said that one of the reasons for doubts in the UK was that Huawei used the VxWorks operating system developed by Wind River Systems of California.
According to sources, the current version of VxWorks used by Huawei, Wind River Systems will stop providing security patches and version updates by 2020, which may leave a vulnerable vulnerability to the BT network.
But all three sources said that there is no indication that VxWorks has been deliberately improperly set up, and there is no indication that the software itself poses a security risk.
A spokeswoman for Wind River Systems said the company will help customers upgrade to newer software versions in a timely manner. She said, 'Wind River Systems provides its customers with migration routes and paths that should be well known and understood by the industry. of. '
A Huawei spokesperson declined to comment on specific issues in the media report, but said the company will address any issues raised by UK regulators that need improvement. The spokesman said, 'Network security has always been Huawei's top priority, we We will continue to actively improve our engineering processes and risk management systems.'