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10.0

Vonage Motorola VT2142-VD can be tricked into false calls

CVE-2007-5791 · published 19 years ago
Summary

The Vonage Motorola VT2142-VD phone adapter does not check that incoming call setup messages really come from a trusted server. Attackers can send fake messages that may overload the device or deliver unwanted or harmful calls. Update the adapter firmware or replace the device with a version that correctly validates these messages.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
vonage motorola_phone_adapter_vt2142-vd All versions
cpe:2.3:h:vonage:motorola_phone_adapter_vt2142-vd:*:*:*:*:*:*:*:*
Original advisory text
The Vonage Motorola Phone Adapter VT 2142-VD does not properly verify that a SIP INVITE message originated from a legitimate server, which allows remote attackers to send spoofed INVITE messages, a...
The Vonage Motorola Phone Adapter VT 2142-VD does not properly verify that a SIP INVITE message originated from a legitimate server, which allows remote attackers to send spoofed INVITE messages, as demonstrated by a flood of messages triggering a denial of service, and by phone calls with malicious content.
References
Fix within
Internet-facing 3 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically (estimated)
  • Gives an attacker full control (estimated)
Severity
10.0 Critical
Exploitation
4% chance of attack within 30 days
Type
CWE-287Improper Authentication
Timeline
Published1 Nov 2007
Updated23 Oct 2026
First seen29 Sep 2026
Sources
CVE-2007-5791 · NVD
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