D-Link DNS-320 Device Command Injection Vulnerability

Added to KEV
2021-11-03
Federal due date
2022-05-03
Vendor
D-Link
Product
DNS-320 Device
EPSS
99.9th percentile (score 0.942, as of 2026-06-08)
NVD CVSS v3.1
Ransomware use
Unknown
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2020-25506

CISA short description

D-Link DNS-320 device contains a command injection vulnerability in the sytem_mgr.cgi component that may allow for remote code execution.

Required action

Apply updates per vendor instructions.

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.