This article dances back and forth between saying "vulnerability" and "backdoor", which while they may have the same end result wildly differ in intent.
I can't tell the seriousness of this except for the telnet one.
How anyone trusts Bloomberg after the Seamicro chip story is beyond my understanding. (and specially the way it was handled and not retracted — anyone can make mistakes, but owning them is most important).
Even the title could have been something else. Like this excerpt from the article:
> "Vodafone has defended Huawei against the U.S. onslaught"
I can't tell the seriousness of this except for the telnet one.