CISA description
Dasan GPON Routers contain an authentication bypass vulnerability. When combined with CVE-2018-10562, exploitation can allow an attacker to perform remote code execution.
CVE-2018-10561
Dasan · Gigabit Passive Optical Network (GPON) Routers
Dasan GPON Routers Authentication Bypass Vulnerability
Required action
The impacted product is end-of-life and should be disconnected if still in use.
Notes & references
Where this lands in 800-53
Vulnerability data triggers these controls during assessment and continuous monitoring.