known ransomware use

Dasan GPON Routers Command Injection Vulnerability

Added to KEV
2022-03-31
Federal due date
2022-04-21
Vendor
Dasan
Product
Gigabit Passive Optical Network (GPON) Routers
EPSS
99.9th percentile (score 0.941, as of 2026-06-08)
NVD CVSS v3.1
Ransomware use
Known
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2018-10562

CISA short description

Dasan GPON Routers contain an authentication bypass vulnerability. When combined with CVE-2018-10561, exploitation can allow an attacker to perform remote code execution.

Required action

The impacted product is end-of-life and should be disconnected if still in use.

EPSS percentile is the FIRST.org exploit-probability ranking as of the date noted above; it moves daily. CVSS reflects NVD's analysis at time of publication.