CVE-2019-11823
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.51%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 2.51% probability · 85th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-125
- Affected
- synology/router manager
- Source
- security@synology.com
EPSS 2.5% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://www.synology.com/security/advisory/Synology_SA_20_11Vendor Advisory
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1051Exploit, Third Party Advisory
- https://www.synology.com/security/advisory/Synology_SA_20_11Vendor Advisory
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1051Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.