Vendor
6 published CVES affecting vonage, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
Newest publication first
An issue was discovered in Vonage Box Telephone Adapter VDV23 version VDV21-3.2.11-0.5.1, allows local attackers to bypass UART authentication controls and read/write arbitrary values to the memory of the device.
On the Vonage VDV-23 115 3.2.11-0.9.40 home router, sending a long string of characters in the loginPassword and/or loginUsername field to goform/login causes the router to reboot.
Vonage VDV-23 115 3.2.11-0.9.40 devices have stored XSS via the NewKeyword or NewDomain field to /goform/RgParentalBasic.
The Vonage Motorola Phone Adapter VT 2142-VD does not encrypt RTP packets, which might allow remote attackers to eavesdrop by sniffing the network and reconstructing the RTP session.
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...
The Vonage VoIP Telephone Adapter has a default administrator username "user" and password "user," which allows remote attackers to obtain administrative access.
Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.