Denial of Service Vulnerability in Cisco IP Phone 7940
CVE-2007-5583

Currently unrated

Key Information:

Vendor: Cisco
Status: Ip Phone 7940
Vendor: CVE Published:; 18 December 2007

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 30%

What is CVE-2007-5583?

A vulnerability in the Cisco IP Phone 7940 with firmware P0S3-08-7-00 allows remote attackers to trigger a denial of service condition. This occurs through a series of SIP INVITE transactions where the Request-URI does not contain a user name. When exploited, this can lead to the device returning '486 Busy' responses or cause the device to reboot unexpectedly, disrupting VoIP services.

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Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2007-5583 - Proof of Concept