CVE-2019-11823: Synology Router Manager

High severity, CVSS 7.5. EPSS: 2.5% chance of exploitation in the next 30 days.

CRLF injection vulnerability in Network Center in Synology Router Manager (SRM) before 1.2.3-8017-2 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via crafted network traffic.

Affected products

• Synology Router Manager: before 1.2.3-8017-2 (fixed in 1.2.3-8017-2)

Published 2020-05-04. Last modified 2026-06-17.