The hardware VPN client in Viprinet MultichannelVPN Router 300 version 2013070830/2013080900 does not validate the remote VPN endpoint identity (through the checking of the endpoint's SSL key) before initiating the exchange, which allows an attacker to perform a Man in the Middle attack.
Severity
CVSS 3.0
5.9 medium
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS
1.7% chance of exploitation in the next 30 days; higher than 77% of CVEs (scores of 2026-10-31)