CVE-2019-16920VulnerabilityPublished 03/25/2022Updated 10/24/2026

CVE-2019-16920: D-Link Multiple Routers Command Injection Vulnerability

Affects D-Link Multiple RoutersSource CISA KEV

Severity

High

No CVSS score published yet

Exploitation: Actively exploited – in CISA KEV since 03/25/2022
KEV deadline: 04/15/2022
EPSS: 100.0% chance of exploitation in 30 days – higher than 99% of CVEs

What to do

CISA required action

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

nvd.nist.gov/vuln/detail/CVE-2019-16920 (opens in a new tab)

Description

Multiple D-Link routers have a command injection vulnerability (CVE-2019-16920) that allows attackers to execute arbitrary commands, potentially leading to full system compromise. This vulnerability has been exploited in the wild. No specific affected versions or patches are detailed in the provided data.

Summary

CVE-2019-16920 is a command injection vulnerability affecting multiple D-Link routers. This flaw allows attackers to inject and execute arbitrary commands on the affected devices, which can result in full system compromise. The vulnerability is classified under CWE-78 (Improper Neutralization of Special Elements used in an OS Command). Exploitation has been observed in the wild, indicating active threat usage. However, no vendor advisory or patch information is provided in the input data.

Impact

Successful exploitation of this vulnerability can lead to complete control over the affected D-Link routers, enabling attackers to manipulate device functionality, intercept or redirect network traffic, or use the device as a foothold for further attacks. The presence of known exploits in the wild increases the urgency of addressing this issue.

Mitigation

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should monitor vendor communications for updates and consider network-level protections to limit exposure of affected devices.

Weaknesses

CWE-78OS Command Injection (opens in a new tab)

What to do

Description

AnalysisAI-generated, updated 10/24/2026, 11:10:30 UTC

Weaknesses

References

Related threats