Applied Cybernetics Group
Threat intel → detection pipeline
Tuesday, July 14, 2026
Data as of 20:11 UTC

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
100.0th percentile (score 1.000, as of 2026-07-13)
NVD CVSS v3.1
Ransomware use
Unknown
ATT&CK
T1059 , T1133 , T1584.005 · signal rollup
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.