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IoT devices from vendor in China contain hidden backdoor

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March 2, 2017

It was discovered today that a range of various IoT devices from a Chinese vendor contain a hidden backdoor that the company is refusing to patch, according to internet security researchers.

The nasty backdoor was discovered in almost all devices produced by VoIP vendor DBLtek, and appears to have been purposely built in for use by the vendor, according to security firm TrustWave.

The company says that it followed a responsible disclosure process, but claims that the vendor responded only with a few minor modifications that leave the backdoor wide open.

Trustwave claims the vendor then cut off contact with it. The security firm says it has since been able to write some exploits that open both the old and the new backdoors as well.

The insecure firmware is present in almost all DBLtek GSM-to-VoIP devices, a range of equipment mostly used by small to medium size businesses.

Trustwave researchers say they have found hundreds of vulnerable devices on the internet, and the list is growing.

We invited DBLtek to respond to Trustwave's accusations yesterday but we've yet to hear back from the maker. Trustwave only went public with its findings this morning.

Source: Trustware Internet Security.

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