CVE-2018-13283: Synology SSL VPN Client

High severity, CVSS 7.4. EPSS: 1.4% chance of exploitation in the next 30 days.

Lack of administrator control over security vulnerability in client.cgi in Synology SSL VPN Client before 1.2.5-0226 allows remote attackers to conduct man-in-the-middle attacks via the (1) command, (2) hostname, or (3) port parameter.

Affected products

• Synology SSL VPN Client: before 1.2.5-0226 (fixed in 1.2.5-0226)

Published 2019-04-01. Last modified 2026-06-17.