What’s Vulnerable › Vulnerabilities

CVE-2019-11823

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-05-04 · updated 2026-06-17
• Weakness: CWE-125

Description

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 (SRM): before 1.2.3-8017-2 — fixed in 1.2.3-8017-2

How to fix

Upgrade to a fixed version: Synology Router Manager (SRM) 1.2.3-8017-2. Check the vendor advisory for mitigations.

References

• https://www.synology.com/security/advisory/Synology_SA_20_11
• https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1051
• https://www.synology.com/security/advisory/Synology_SA_20_11
• https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1051

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