CVE-2017-16565: Grandstream HT802 Firmware

High severity, CVSS 8.8. EPSS: 0.5% chance of exploitation in the next 30 days.

Cross-Site Request Forgery (CSRF) in /cgi-bin/login on Vonage (Grandstream) HT802 devices allows attackers to authenticate a user via the login screen using the default password of 123 and submit arbitrary requests.

Affected products

• Grandstream HT802 Firmware: affected versions not specified

Published 2017-11-06. Last modified 2026-06-17.