Matthias Wenzel has reported a vulnerability in AVM Fritz!Box 7050, which can be exploited by malicious people to cause a DoS (Denial of Service).
The vulnerability is caused due to an error within the handling of certain UDP packets. This can be exploited to crash the VoIP application by sending a UDP packet with size 0 to the SIP Port (5060/UDP).
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Subject: Fritz!Box UDP Packet SIP Denial of Service
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